4-Band Parametric Equalizer
Includes a 4-band parametric equalizer / pre-amplifier for bus audio adjustment.

DST-126-24
The DST-126-24 brings microphone announcements, auxiliary media and cabin audio adjustment into one centralized control unit for buses and coaches. Dual microphone inputs support both driver and guide communication, while the 4-band equalizer and independent bass, mid and treble controls help operators maintain clear speech and balanced entertainment audio across the passenger cabin. A main/AUX selector and 12–24V compatibility simplify daily operation and integration across different vehicle platforms.
Includes a 4-band parametric equalizer / pre-amplifier for bus audio adjustment.
Provides treble, mid and bass control for tuning onboard sound.
Supports dual microphone inputs for driver, guide or passenger announcement workflows.
Includes microphone level control for balancing voice volume.
Supports input MAIN/AUX selector switch for source selection.
Includes stereo control for bus audio routing.
Catalogue materials list high light illumination design.
Supports DC 12-24V vehicle power systems.
Designed for onboard speaker and multimedia systems where microphone and AUX sources need mixing.
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