Multi-layer soundproof isolation chamber for operant conditioning and self-administration studies, with optional behavioral testing components for mouse and rat research.
BAA available
Scientist guidance
Louise Corscadden, PhD
Director of Science · ConductScience
Ask Louise about Sound Attenuating Chamber fit, setup, configuration, or quote prep.
The Sound Attenuating Chamber provides acoustic and electromagnetic isolation for behavioral research applications requiring controlled sensory environments. The system consists of a multi-layer soundproof isolation cubicle (55cm x 42cm x 55cm) constructed with specialized insulation materials that attenuate environmental disturbances during operant conditioning, self-administration, and behavioral testing protocols.
Optional self-administration chamber components include dual levers or nose poke apertures with configurable cue lights, pellet dispensers (20mg or 45mg), infusion pumps, and programmable stimuli delivery systems. The chamber accommodates both mouse and rat studies with species-specific grid floors and lever configurations, supporting wireless communication and USB connectivity for automated data collection during behavioral experiments.
How It Works
The Sound Attenuating Chamber operates through multi-layer acoustic isolation that reduces environmental sound transmission and electromagnetic interference. The soundproof insulation materials create a controlled acoustic environment by absorbing and reflecting sound waves across multiple frequency ranges, preventing external auditory stimuli from confounding behavioral measurements.
Optional operant conditioning components utilize response-contingent reinforcement delivery through automated pellet dispensers or infusion pumps. Nose poke apertures employ infrared beam detection to register animal responses, while lever systems provide mechanical feedback calibrated for mouse (1cm width) or rat (1.6cm width) studies. Programmable cue lights (white, red, green, blue) provide visual stimuli synchronized with reinforcement schedules.
The wireless communication system enables real-time data transmission to control software, while the isolation cubicle maintains consistent environmental conditions throughout extended behavioral sessions. Camera mounting systems support video tracking integration for comprehensive behavioral analysis.
Features & Benefits
Multi-layer soundproof insulation
Attenuates environmental acoustic disturbances to maintain consistent testing conditions across experimental sessions
Customizable chamber dimensions
Accommodates specific experimental protocols and animal housing requirements beyond standard 55x42x55cm configuration
Dual response modalities
Supports both lever press and nose poke paradigms for diverse operant conditioning protocols and species preferences
Configurable cue light colors
Enables complex discrimination studies with white, red, green, or blue visual stimuli for multi-component behavioral tasks
Species-specific components
Optimized grid floors (4mm/5mm spacing for mice, 6mm/10mm for rats) and lever widths ensure appropriate response requirements
Integrated infusion pump system
Delivers precise volumes for self-administration studies with 12mm interior diameter syringe compatibility
Wireless communication
Eliminates cable-related acoustic transmission while maintaining real-time data collection and stimulus control
Programmable shock delivery
Provides aversive stimuli from 0.1 to 4.0 mA in 0.1 mA increments for punishment-based conditioning protocols
Depth
42cm
Nose Poke Aperture Dimensions
1.3 x 1.2 x 1.2 cm width x height x depth
Nose Poke Height Above Floor
1 cm
Lever Width Rats
1.6 cm
Lever Width Mice
1 cm
Pellet Dispenser Default
20 mg
Pellet Dispenser Alternative
45 mg
Syringe Pump Interior Diameter
12 mm
Shock Current Range
0.1 to 4.0 mA in 0.1 mA steps
Mouse Grid Rod Diameter
4mm
Mouse Grid Spacing
5 mm
Rat Grid Rod Diameter
6mm
Rat Grid Spacing
10mm
Cage Id Range
0 up to 31
Control Box Connections
Five cables
Communication Type
wireless
Pc Connection
USB (RS-232) cable
Customizable Dimensions
yes
Behavioral Construct
operant conditioning
self-administration
reinforcement schedules
extinction learning
discrimination learning
punishment learning
Automation Level
semi-automated
Material
Multi-layer sound-proof insulation material
Stainless Steel
Color
Blue
Green
Red
White
Speed/RPM
0.5 – 60
Species
Mouse
Rat
Dimensions
55cm x 55cm
Research Domain
Addiction Research
Anxiety and Depression
Behavioral Pharmacology
Learning and Memory
Neuroscience
Toxicology
Compatible Tracking Software
ConductVision
Shipping weight
21.0 lb
Shipping box
L: 43.2 cm
W: 38.0 cm
H: 27.9 cm
Feature
This Product
Typical Alternative
Advantage
Acoustic Isolation
Multi-layer soundproof insulation materials with electromagnetic shielding
Basic acoustic foam or single-layer soundproofing in entry-level models
Superior environmental control reduces confounding variables that can affect behavioral consistency across experimental sessions.
Response Modalities
Dual configuration options for either lever press or nose poke protocols
Fixed single response modality in basic systems
Experimental flexibility accommodates diverse behavioral paradigms and species-specific response preferences.
Communication System
Wireless data transmission with USB connectivity
Hardwired connections that can transmit vibration and sound
Eliminates cable-mediated acoustic artifacts while maintaining real-time stimulus control and data collection.
The Sound Attenuating Chamber provides comprehensive acoustic isolation with flexible operant conditioning configurations, wireless communication capabilities, and species-specific optimization for both mouse and rat behavioral studies. The system's multi-layer soundproofing and customizable components support diverse behavioral pharmacology and neuroscience protocols requiring precise environmental control.
Behavioral Pharmacology
Self-administration studies examining drug-seeking behavior in rodents, utilizing lever press or nose poke responses paired with infusion pump delivery systems for controlled substance administration.
Addiction Research
Operant conditioning protocols for substance abuse models, providing isolated testing environments for measuring reinforcement schedules and extinction behaviors without acoustic interference.
Learning and Memory
Conditioning experiments requiring precise stimulus control and acoustic isolation to eliminate environmental confounds during acquisition, retention, and retrieval testing phases.
Neuroscience
Behavioral phenotyping studies where consistent acoustic environments are critical for measuring baseline behaviors and treatment effects in genetic or lesion models.
Anxiety and Depression
Operant testing paradigms for evaluating anxiolytic or antidepressant compounds, utilizing controlled lighting and acoustic conditions to minimize stress-related confounds.
Toxicology
Neurotoxicity assessments using operant performance as behavioral endpoints, requiring standardized acoustic conditions for reliable dose-response measurements.
Practical Tips
Calibration
Verify pellet dispenser accuracy weekly by weighing 20-30 delivered pellets and calculating mean weight deviation from nominal values.
Why: Consistent reinforcement delivery is critical for maintaining stable operant responding across experimental sessions.
Maintenance
Inspect soundproofing materials monthly for tears or compression that could compromise acoustic isolation performance.
Why: Degraded insulation allows environmental noise penetration that introduces uncontrolled variables into behavioral measurements.
Best Practices
Allow 10-15 minutes for chamber environmental equilibration before beginning behavioral sessions, particularly after cleaning procedures.
Why: Temperature and humidity stabilization ensures consistent conditions that minimize stress-related behavioral artifacts.
Troubleshooting
If wireless communication becomes intermittent, check for electromagnetic interference sources within 3-meter radius of the isolation chamber.
Why: Equipment like centrifuges, autoclaves, or other wireless devices can disrupt data transmission and stimulus timing precision.
Data Quality
Record ambient laboratory conditions (temperature, humidity, noise levels) in session logs to identify potential environmental confounds.
Why: Environmental monitoring helps interpret behavioral variability and ensures experimental reproducibility across testing days.
Safety
Test shock grid continuity and current output monthly using appropriate electrical testing equipment before animal studies.
Why: Electrical safety verification prevents equipment malfunctions that could cause animal injury or compromise experimental validity.
Best Practices
Program cage IDs sequentially when operating multiple chambers to avoid wireless communication conflicts during concurrent sessions.
Why: Proper ID management ensures independent data streams and prevents stimulus delivery errors between chambers.
Maintenance
Clean infusion pump components with appropriate solvents after each experimental cohort to prevent drug residue accumulation.
Why: Residual compounds can alter subsequent drug delivery concentrations and create carryover effects between studies.
Setup Guide
Unpack and Inspect
Remove isolation cubicle and components from packaging, inspecting soundproofing materials and interior surfaces for damage during shipping.
Position Chamber
Place isolation cubicle in designated testing area, ensuring adequate ventilation access and proximity to computer workstation for data collection.
Install Optional Components
Mount self-administration chamber components including levers or nose poke apertures, pellet dispensers, and cue lights according to experimental protocol requirements.
Connect Control System
Establish wireless communication links and USB connections between chamber components and control computer, verifying data transmission integrity.
Calibrate Response Systems
Test lever sensitivity, nose poke detection thresholds, and pellet dispenser accuracy using manufacturer calibration protocols.
Configure Environmental Settings
Program lighting schedules, ventilation cycles, and acoustic parameters according to experimental design specifications.
Validate System Function
Conduct test sessions with known response patterns to verify proper stimulus delivery, data recording, and acoustic isolation performance.
What’s in the Box
Isolation cubicle with multi-layer soundproofing
Camera mount assembly
Control system components (typical)
USB communication cable
Installation hardware (typical)
User manual and setup guide (typical)
Warranty
ConductScience provides a standard one-year manufacturer warranty covering defects in materials and workmanship, with technical support for installation and operation guidance.
Compliance
AAALAC International GuidelinesCommonly used in behavioral research facilities subject to laboratory animal care accreditation standards.
NIH Guidelines for Research Involving AnimalsSupports controlled environmental conditions required for federally-funded behavioral studies.
ARRIVE Guidelines 2.0Facilitates standardized experimental conditions necessary for reproducible behavioral research reporting.
Datasheet
Specifications, models, materials, and operating envelopes
What level of acoustic attenuation does the soundproofing provide?
A
The multi-layer soundproof insulation attenuates environmental disturbances, though specific decibel reduction values should be confirmed in the product datasheet for your required frequency ranges.
Q
Can the chamber accommodate both lever press and nose poke protocols simultaneously?
A
The chamber can be configured with either two levers or two nose poke apertures, but not both modalities simultaneously in the standard configuration.
Q
How is response detection accuracy maintained for nose poke systems?
A
Nose poke apertures utilize infrared beam detection positioned 1cm above floor level with aperture dimensions of 1.3 x 1.2 x 1.2 cm for reliable response registration.
Q
What data parameters are transmitted wirelessly during experiments?
A
The wireless system transmits response timestamps, stimulus delivery events, and chamber status information, with specific data formats detailed in the control software documentation.
Q
How frequently should pellet dispenser accuracy be verified?
A
Pellet dispenser calibration should be checked weekly during active use, weighing delivered pellets to ensure consistent 20mg or 45mg delivery accuracy.
Q
Can multiple chambers operate simultaneously without wireless interference?
A
The system supports cage IDs from 0 to 31, enabling multi-chamber installations with independent wireless communication channels.
Q
What maintenance is required for the soundproofing materials?
A
Inspect insulation materials monthly for damage and clean interior surfaces with appropriate disinfectants between experimental cohorts to maintain acoustic performance.
Have a question about this product?
Each paper below used this product. Under each title is the paper’s own sentence naming the equipment it used.
Yi He, Lisbeth Berrueta, Yan Wang et al. · Preprint on bioRxiv · 2025
From the methods
To minimize the interference of environmental factors on animal behaviors during 24/7 video tracking, two PhenoTyper home cages were enclosed in one customized sound-attenuating chamber (Maze Engineers, Skokie, IL, US) (Fig. 2 K).
The Sound Attenuating Chamber is testing infrastructure that isolates a behavioral station from facility noise, light, and vibration so that recorded behavior reflects the experimental manipulation rather than the ambient environment. Hearing and stress in laboratory animals are sensitive to background sound, which makes acoustic isolation a measurable quality-control parameter rather than an afterthought. 1
The core function is to lower interior ambient noise and stabilize light and temperature, and the core readouts are environmental: interior sound level in decibels, light level, ventilation-fan background, and residual vibration. Because facility noise, cage cleaning, and in-house transport measurably raise stress and behavioral variability, isolating the station tightens the conditions under which a task is run. 1
Facility background noise, ventilation-fan tone, mechanical vibration, light leakage, and rodent-audible ultrasound all change the interior environment independent of the experiment. A defensible commissioning protocol measures the noise-reduction the cabinet provides, maps residual interior levels including ultrasonic frequencies, and logs light and vibration so the chamber can be treated as a controlled, documented condition. 1
§ 2
Methods
2.1 Procedure
Chamber commissioning with noise-reduction measurement, interior environmental mapping, and ventilation and vibration quality control.
Pre-test setup
1.Baseline the open room: Measure ambient noise, light, and vibration in the open testing room with the chamber doors open so the uncontrolled baseline is documented before isolation is engaged.
2.Verify isolation build: Confirm the door seal, wall construction, feed-through ports, and acoustic lining are intact, since gaps and unsealed cable ports are the usual cause of poor attenuation.
3.Set ventilation and lighting: Define the ventilation rate and interior lighting in advance and confirm the fan tone and lux level are stable, because these are part of the controlled condition rather than incidental.
4.Define the QC thresholds: Fix the target interior noise level, acceptable light leakage, and vibration limits before testing so each session can be checked against documented thresholds.
Trial sequence
1.Close and seal the chamber: Close the cabinet with the apparatus and cabling routed through the sealed feed-throughs, then allow the interior environment to settle before measuring.
2.Measure interior noise: Record the interior sound level with the ventilation running and compute the noise-reduction relative to the open-room baseline.5
3.Check ultrasonic band: Measure the rodent-audible ultrasonic range separately, since equipment can emit ultrasound that a standard A-weighted reading misses.3
4.Log light and vibration: Record interior light level and residual vibration so photic and mechanical conditions are documented alongside the acoustic measurement.
5.Document and clean: Save the environmental log for the session and wipe down the interior to remove odor and residue before the next subject is enclosed.
Critical methodological constraints
Seal integrity. Attenuation depends on an intact door seal and sealed feed-throughs. Unsealed cable ports and worn gaskets are the most common cause of residual interior noise.1
Ventilation noise. The ventilation fan is itself a noise source inside the sealed cabinet. Measure interior noise with the fan running, not with it switched off.5
Ultrasonic emissions. Equipment can emit ultrasound audible to rodents but not to a standard A-weighted meter. Measure the ultrasonic band explicitly during commissioning.3
Environmental documentation. Acoustic isolation is only useful if it is recorded. Log interior noise, light, and vibration per session so the chamber is a documented condition, not an assumption.
2.2 Measurement & Analysis
Core chamber environmental parameters for acoustic isolation, photic control, and station quality control.
Ambient Noise Level
Acoustic isolation
Interior sound level in decibels with ventilation running, the primary readout of how well the cabinet isolates the station from facility noise.5
Light Level
Photic control
Interior lux at the apparatus surface, controlled and logged because lighting directly shapes anxiety-like and locomotor behavior.2
Ventilation Noise
Background QC
Fan-generated background noise measured inside the sealed cabinet, since the ventilation system is the dominant interior noise source.
Vibration
Mechanical isolation
Residual mechanical vibration at the apparatus base, logged because building and equipment vibration transmit through an otherwise quiet cabinet.
Temperature Stability
Environmental QC
Interior temperature drift over a session, monitored because a sealed cabinet with active ventilation can shift thermally during long runs.
+ Additional metrics: humidity, door-seal condition, feed-through count, ultrasonic-band level, fan duty cycle, and per-session environmental notes.
2.3 noise-reduction fraction (analysis)
A compact fraction of the open-room noise that the sealed cabinet removes at the apparatus surface.
Formula: noise reduction / (noise reduction + residual interior noise) x 100. Interpret with seal integrity, ventilation noise, the ultrasonic-band reading, and vibration because a high fraction can still leave rodent-audible ultrasound or transmitted vibration uncontrolled. 1
2.4 sample-size planning
Estimate the N per group needed to detect a literature-anchored environmental effect at the parameter you plan to report. Override the defaults with your own pilot numbers.
Open testing room vs sealed sound-attenuating chamber; representative magnitudes from Turner et al. (2005) on noise effects in laboratory animals.1
Formula: n = 2 · ((zα/2 + zβ) / d)2, where d = |μ₁ − μ₂| / σ. Assumes equal allocation, normality, and homoskedasticity. The attrition cushion inflates total N by 1 / (1 − dropout); confirm with your IACUC.
§ 3
Results
3.1 Sample apparatus output
Representative environmental log comparing an open testing room with a sealed sound-attenuating chamber.
Synthetic example for illustration only. Pair the interior noise reading with the ultrasonic-band level, seal condition, and vibration before treating the chamber as a controlled condition.
§ 4
Discussion
Limitations of the paradigm, methodological caveats, and current directions.
4.1 Common confounds
Variables that can shift Sound Attenuating Chamber results apart from the effect under study.
Facility background noise
Room HVAC, corridor traffic, and equipment raise baseline noise. Measure the open-room level so the chamber's attenuation is expressed against a documented baseline.
Ventilation-fan noise
The cabinet ventilation fan is a noise source inside the sealed space. Interior readings must be taken with the fan running, not switched off.
Mechanical vibration
Building and equipment vibration transmit through the cabinet base even when airborne noise is well attenuated. Log vibration separately from sound.
Light leakage
Gaps around the door and feed-throughs let light in, shifting anxiety-like and locomotor behavior. Verify interior lux with the chamber sealed.
Ultrasonic noise
Equipment can emit ultrasound audible to rodents but invisible to a standard A-weighted meter. Measure the ultrasonic band explicitly.
Confound checklist
Tick the confounds your protocol addresses, then export a methods-paragraph blurb you can paste into your manuscript.
Preview exported markdown
4.2 Construct validity caveats
A sound-attenuating chamber is only a controlled condition when its isolation is measured and logged. Report interior noise with ventilation running, the rodent-audible ultrasonic band, light level, and residual vibration before claiming the station is isolated, and re-check seals because attenuation degrades as gaskets and feed-throughs wear. 1
4.3 Special considerations
Do I need to measure ultrasound separately?
Yes. Standard A-weighted meters underweight or miss the ultrasonic frequencies that rodents hear, so equipment ultrasound can disturb animals even when the audible reading looks quiet. Measure the ultrasonic band during commissioning.
Should the ventilation fan be on when I measure noise?
Yes. The ventilation fan runs during testing and is the dominant interior noise source, so the meaningful interior reading is taken with the fan running rather than with it switched off.
How often should I re-verify the chamber?
Re-verify on a fixed schedule and after any move or seal change. Door gaskets and feed-through seals wear, so attenuation that was commissioned correctly can drift below threshold over time.
Recording interior noise, ultrasonic band, light, and vibration on a fixed commissioning sheet makes the chamber a documented condition that can be compared across rigs and labs.
Emerging
Continuous environmental monitoring
In-cabinet sensors that log noise, light, and temperature throughout a session capture transient disturbances a single spot-check measurement misses.
Methods
Ultrasonic-band reporting
Reporting the rodent-audible ultrasonic level alongside the A-weighted reading is increasingly expected because ultrasound disturbs animals independent of audible noise.
Emerging
Vibration-isolated bases
Decoupled and damped cabinet bases are paired with acoustic lining to suppress transmitted vibration that airborne attenuation alone does not address.
§ 5
Background references
5 selected methods and validation studies of the Sound Attenuating Chamber, from any lab.
Turner JG, Parrish JL, Hughes LF, Toth LA, Caspary DM. Hearing in laboratory animals: strain differences and nonauditory effects of noise. Comp Med. 2005;55(1):12-23.PMID:15766204
Castelhano-Carlos MJ, Baumans V. The impact of light, noise, cage cleaning and in-house transport on welfare and stress of laboratory rats. Lab Anim. 2009;43(4):311-327.doi:10.1258/la.2009.0080098
Sales GD, Wilson KJ, Spencer KE, Milligan SR. Environmental ultrasound in laboratories and animal houses: a possible cause for concern in the welfare and use of laboratory animals. Lab Anim. 1988;22(4):369-375.doi:10.1258/002367788780746188
Reynolds RP, Kinard WL, Degraff JJ, Leverage N, Norton JN. Noise in a laboratory animal facility from the human and mouse perspectives. J Am Assoc Lab Anim Sci. 2010;49(5):592-597.PMID:20858360
Milligan SR, Sales GD, Khirnykh K. Sound levels in rooms housing laboratory animals: an uncontrolled daily variable. Physiol Behav. 1993;53(6):1067-1076.doi:10.1016/0031-9384(93)90361-i
