SIBELSOUND 400 – Two-Channel Audiometer
The SIBELSOUND 400 is a revolutionary two-channel audiometer designed for accurate and efficient audiometric testing. Powered by advanced Digital Signal Processor (DSP) technology, it ensures reliable, fast, and precise exploration of hearing thresholds, as well as suprathreshold pure tone screening tests.
Developed by SIBEL, S.A.U. in collaboration with the ENT & Audiology Department of the University of Barcelona, the SIBELSOUND 400 meets stringent international standards (IEC, ISO) and national regulations (UNE). It combines clinical precision with user-friendly operation, making it an indispensable tool for modern audiology and ENT practices.
Key Features
DSP Digital Technology
Advanced Digital Signal Processor enables high-speed numerical operations.
Optimized for handling multiple data streams simultaneously.
Provides superior accuracy and performance compared to conventional processors.
Seamless Connectivity
USB (standard) and RS232C (optional) communication channels.
Real-time PC integration for data transfer and management.
Export compatibility with EMR systems.
Firmware updates supported for long-term usability.
Signal Options
Pure tones (continuous, pulse, alternate)
Frequency & amplitude modulation
Speech noise
Narrow band noise
White noise
Software Integration (W50)
Real-time audiometry visualization and analysis.
Storage and transfer of test results.
Comparison of patient audiometry over time.
Customizable reporting with PDF/XML export.
Compatible with Windows 7, 8.1, and 10.
Technical Specifications
Channels: 2
Tones: Pure, Warble (FM), Continuous, Pulsating, Inverted
Noise Step Increase (dB): 1 / 5
Air Conduction Frequencies (Hz): 125 – 20,000
Bone Conduction Frequencies (Hz): 250 – 6,000
Intermediate Frequencies (Hz): 125 – 750 – 1,500
Intercom: Yes
Hearing Loss Calculation: Yes
Diagnostic Standards: Council, IMSS Mexico, ELI, SAL, Klockhoff
Screen: Alphanumeric LCD
Internal Database: > 1,000 tests
Connectivity: USB to PC
Dimensions: 390 × 260 × 105 mm
Weight: 2,400 g
Power Supply: External (100–240 V, 50–60 Hz)
Included Accessories
Air conduction headphones TDH 39
Bone vibrator B-71 (depending on model)
Electrical power cable
Patient response connection
PC/printer connection cable
Quick guide & user manual (Spanish)
W50 Demo Software
Optional Accessories
W50 Software License (various models)
USB cable (for PC connection)
Internal database upgrade
Monitor module / Intercom unit
Air conduction noise suppressors
Electret clip microphone
Travel bag
The SIBELSOUND 400 combines innovation, accuracy, and connectivity—making it the perfect choice for modern audiology diagnostics.