The MP-A Series music and paging amplifiers build on a 50-year legacy of QSC amplifier dependability and quality. The MP-A Series offers an incredible amount of flexibility for business music and paging applications, while maintaining high efficiency and low total cost of ownership.


  • Specifications MP-A20V MP-A40V MP-A80V
    Channels 2 4 8

    Power (all channels driven)
             8 Ω
             4 Ω
             70 V
             100 V

    200 W
    200 W
    200 W
    200 W

    200 W
    200 W
    200 W
    200 W

    200 W
    200 W
    200 W
    200 W

    FlexAmp Technology Allows each pair of amplifier channels to deliver up to 400 W total power, in any ratio
    Frequency response at 8 Ω 20 Hz – 20 kHz +/- 0.5 dB
    Signal to Noise > 103 dB
    Input sensitivity 1.23 V (+4 dBu)
    Gain at 8 Ω 30.0 dB
    Output circuitry Class D
    Input impedance >10k, balanced or unbalanced
    Maximum input level 12.3 V (+24 dBu)

           Operating temperature range

    Forced air cooling, thermally regulated fan speed, side/rear-to-front airflow
    Maximum: -10° - 50° C, recommended: 0° - 35° C, reduced performance above 40° C


           Input connectors

           Remote connectors

           Output connectors


    Two 3.5mm Euro, 3-pin (green)

    One 3.5mm Euro, 5-pin (black)

    One 5.0mm Euro, 4-pin (green)


    Four 3.5mm Euro, 3-pin (green)

    One 3.5mm Euro, 5-pin (black)

    Two 5.0mm Euro, 4-pin (green)


    Eight 3.5mm Euro, 3-pin (green)

    One 3.5mm Euro, 5-pin (black)

    Four 5.0mm Euro, 4-pin (green)

    Front panel indicators Power, signal (per channel), limit / mute / protect (per channel)
    Rear panel indicators Bi-Color LED signal / limit/ mute/ protect 
    User-configurable operating
    modes (per channel)
    DIP switch selectable, low impedance 4 Ω or 8 Ω, 
    high impedance direct drive 70 V or 100 V
    Remote I/O Remote standby, amplifier status enunciation on 3.5 mm connectors
    Highpass filter 80 Hz DIP switch engaged per channel
    Dimensions 1.75 in x 19 in x 14.8 in (44 mm x 483 mm x 377 mm)
    Net weight  7.7 lb (3.5 kg) 9.3 lb (4.2 kg) 12.8 lb (5.8 kg)
    Shipping weight 12.3 lb (5.6 kg) 13.9 lb (6.3 kg) 17.4 lb (7.9 kg)
    Power requirements Universal power supply (with active power factor correction), 
    100 – 240 VAC, 50 -60 Hz
    Agency approvals UL, CE, RoHS/WEEE compliant, 
    FCC class B (conducted and radiated emissions)
    Carton contents IEC cable, quick start guide, connector pack
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