The Extron MPA 152 integrated mini power amplifier provides stereo amplification for speaker systems in classrooms and other applications requiring compact, economical audio solutions. It is an ideal step-up from a basic classroom system utilizing built-in video projector speakers. The MPA 152 is an ENERGY STAR® qualified amplifier with an Extron exclusive, highly efficient, advanced Class D amplifier design. It also features patented CDRS™ - Class D Ripple Suppression technology that provides a smooth, clean audio waveform and an improvement in signal fidelity over conventional Class D amplifiers. The Extron exclusive, high efficiency design generates very little heat and allows the amplifier to be fanless and operate in environments with little or no ventilation.

Key Features

  • 30 watts rms output power:
    2 x 15 watts @ 4 ohms; 2 x 8 watts @ 8 ohms
  • ENERGY STAR® qualified amplifier
  • Extron Patented CDRS™ - Class D Ripple Suppression
  • Front panel bass, treble, and input level controls
  • Stereo/dual mono toggle switch
  • UL 2043 plenum rated

(MPA-152-BGrade)

Audio
   Voltage gain   
      Balanced  25x (28 dB)
      Unbalanced  50x (34 dB)
   Stereo channel separation  >60 dB @ 1 kHz
   CMRR  74 dB (typical) @ 1 kHz
   Bass adjustment  ±10 dB @ 80 Hz (reference) to 1 kHz (2 dB tolerance)
   Treble adjustment  ±10 dB @ 10 kHz (reference) to 1 kHz (2 dB tolerance)
 
Audio input
   Number/signal type  1 stereo, balanced/unbalanced input
2 stereo, unbalanced inputs
(The three inputs are individually buffered and mixed together.)
   Connectors  (1) 3.5 mm captive screw connector, 5 pole (main input)
(1) 3.5 mm mini audio jack (tip, ring, sleeve)
1 pair female RCA
   Impedance  >10k ohms unbalanced/balanced, DC coupled
   Maximum level   
      RCA and TRS inputs  +1 dBV (unbalanced) at 1% THD+N
      Captive screw input  +9 dBu (balanced) at 1% THD+N
   Input sensitivity   
      Balanced  -8 dBu
      Unbalanced  -16 dBV
   Input signal detection threshold  RCA and mini audio jacks: -50 dBV ±3 dB, unbalanced
Captive screw connector: -42 dBu ±3 dB, balanced
    NOTE     0 dBu = 0.775 Vrms, 0 dBV = 1 Vrms, 0 dBV ≈ 2 dBu
 
Audio output
   Number/signal type  1 stereo or 2 mono (2 channels total)
   Connectors  (1) 5 mm captive screw connector, 4 pole
   Load impedance  4 ohms, minimum
   Amplifier type  Class D
   Output power  8 watts rms per channel, 8 ohms, 1 kHz, 1% THD
15 watts rms per channel, 4 ohms, 1 kHz, 1% THD
   Frequency response  20 Hz to 20 kHz, ±3 dB
   THD + Noise  0.15% @ 1 kHz at nominal level (1 watt, 8 ohm load)
   S/N  74 dB, 20 Hz to 20 kHz, unweighted
   Damping factor  >30 at 4 ohms
 
Communications — amplifier
   Control port  (1) 3.5 mm captive screw connector, 3 pole
   Pin configuration  Pin 1 = +10 VDC, 50 mA (max.), pin 2 = volume/mute (variable voltage), pin 3 = GND
   Volume control voltage range  0 V (mute) to 10 V (maximum volume)
 
General
   Power supply  External
Input: 100-240 VAC, 50-60 Hz
Output: 12 VDC, 2 A, 24 watts
   Power consumption   
      Typical (1/8 power)   
         Device   6.2 watts, 4 ohm load
         Device and power supply   7.6 watts, 4 ohm load
      Quiescent   
         Device   2.4 watts
         Device and power supply   3.1 watts
      Standby   
         Device and power supply   <1 watt (triggered after 25 minutes [±5 minutes] with no signal)
   Ambient temperature/humidity  Storage: -40 to +158 °F (-40 to +70 °C) / 10% to 90%, noncondensing
Operating: +32 to +122 °F (0 to +50 °C) / 10% to 90%, noncondensing
   Cooling  Convection, no vents
   Thermal dissipation   
      Standby   
         Device and power supply   <1 watt (3 BTU/hr)
      Idle   
         Device   2.4 watts (8 BTU/hr)
         Device and power supply   3.1 watts (10 BTU/hr)
      1/8 power   
         Device   2.5 watts (9 BTU/hr), 4 ohm load
         Device and power supply   3.9 watts (13 BTU/hr), 4 ohm load
   Mounting   
      Rack mount  Yes, with optional 1U rack shelf or back of rack mounting kit
      Furniture mount  Yes, with optional mini under desk mounting kit
      Pole mount  Yes, with optional pole mounting kit
   Enclosure type   Metal
   Enclosure dimensions  1.7" H x 4.3" W x 3.0" D (1U high, quarter rack wide)
(4.3 cm H x 10.9 cm W x 7.6 cm D)
(Depth excludes connectors.)
   Product weight   0.6 lbs (0.3 kg)
   Shipping weight   3 lbs (2 kg)
   Vibration   ISTA 1A in carton (International Safe Transit Association)
   Regulatory compliance   
      Safety  CE, c-UL, UL
UL rated for use in plenum airspaces: meets UL 2043 for heat and smoke release, excluding the power supply; meets UL 60065 for safety.
      EMI/EMC  CE, C-tick, FCC Class B, ICES, KCC, VCCI
      Environmental  Complies with the appropriate requirements of CEC, ENERGY STAR® (ENERGY STAR qualified amplifier), EU code of conduct, RoHS, WEEE
SKU MPA-152-BGrade
Barcode # 615678805811
Brand Extron
Brand Extron
Type Stereo Amplifier
Model MPA 152
Shipping Cubic 0.017794000m3

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