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QUEST COMMERCIAL M65BT Mixer 65W Amplifier Bluetooth, FM Radio and Media Player


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The Quest Commercial Mixing Amplifiers are an ideal solution for small to medium-sized commercial spaces that require high-quality audio distribution systems at an affordable price. These models feature a constant voltage power amplifier, allowing for use at 25/70V or with a low impedance of 4 or 8 Ohms. With 35 Watts of power, the M35bt model and 65 Watts of power, the M65bt model deliver outstanding sound quality.

These mixers offer three input channels, including terminal block/RCA and a front panel 3.5mm jack, each with independent level controls to facilitate easy connection of various sound sources. Additionally, a music-on-hold feature is available for businesses to enhance their customers' telephone experience. When connected to a telecommunications system, customers can listen to music or pre-recorded messages while they wait.

Equipped with Bluetooth, an FM receiver, and a Media player on USB port or SD/SDHC cards, these models provide exceptional versatility and functionality.


  • Rated Power Output -  65w
  • Speaker Output -  4Ω/8Ω/25V/70V
  • Connectors
    • CH1 : Mic/Line on balanced 3-Conductor Phoenix Connector with Phantom Power
    • CH2-3 : Mic input on 3-Conductor Phoenix Connector, Line input on stereo RCA 
    • CH3 : 3.5mm stereo Aux input on front panel 
  • Input Sensitivity /Impedance
    • MIC 1-3 : '-50dB to -6dB Variable / 20 kΩ Balanced
    • Line 2, 3 : '-30dB to +14dB Variable / 47 kΩ Unbalanced
    • Telephone-Paging : -21dB ± 3dB / 600 Ω Balanced
  • Music On Hold Output Level -  ∞ to +10 dB Variable / 600Ω Balanced
  • Frequency Response -  80Hz - 18kHz (±3dB)
  • Tone Control -  ±10dB for bass and treble
  • S/N Ratio -  < 90 dB  -  
  • T.H.D (1 kHz) -  < 0.5 %
  • Protection -  Output Current Limiting, Thermal Protection & DC Offset Protection
  • Power Supply -  110V AC, 50-60Hz
  • Chassis Dimensions -  10.63" x 3.0" x 9.06" (270 x 76 x 230mm)
  • Weight (Net) -  8.00 lbs. (3.63 kg) 


  • Three (3) microphone inputs and two (2) line inputs (terminal block, RCA and 3.5mm on the front panel).
  • Rated power output: 35 Watts for the M35bt, and 65 Watts for the M65bt.
  • A 2-band tone control helps correct the overall sonic response of the PA system.
  • Acceptable wide-range input level (up to 44 dB)
  • Terminal block telephone paging input with volume and attenuation level controls.
  • Two (2) layer priority muting.
  • Bluetooth, MP3 Media player on USB or SD-SDHC card, FM Tuner, with remote control.
  • Music on hold (M.O.H.) output used to connect the mixer to the telephone system to play music or pre-recorded messages. This output can also be used to supply a line level signal to a power amplifier.
  • Microphone inputs 1 with phantom power for connecting condenser microphones.
  • Low distortion and low noise level.
  • To ensure long-term reliability, M-Series mixers are equipped with a sophisticated protection circuit with current limiting to avoid problems associated with overloading and overheating.
  • Compact size makes it easy to install on a work desk or in a standard 48.3 cm (19 in) rack using optional brackets.
  • An ideal solution for commercial and industrial applications.
  • An extended three-year warranty.


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