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Rolls MA251 Compact Mixer Amplifier

Model: MA251

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About: Rolls MA251 Compact Mixer Amplifier

The new MA251 is a compact class D stereo amplifier with a 4 CH. stereo mixer built in. It has 5 watts per channel @ 4 Ohms. The class D low heat design gives the MA251 the ability to be mounted in very tight applications. It will work great in ceilings by projectors, or anywhere small and heat free amplification is required. The MA251 is in an all metal chassis and weighs 1 pound. Overall dimension are 6.75” X 3.5” X 1.5”. The MA251 has an included 12 VAC external power supply. The 4 channel mixer section consists of 2 separate RCA stereo inputs, along with an XLR mic input and a 3.5mm (1/8”) stereo input perfect for an ipod or laptop computer type input. Phantom power is supplied to the XLR input by a switch on the back of the MA251.


  • Small size and low heat class D design
  • 1 Balanced XLR input, 2 RCA inputs and 1 3.5mm input
  • Low cost, helps win your bid
  • Included 12 VAC power supply.
  • 15W/Ch with the PA202 power supply


  • Line Input Impedance: 10K Ohms line
  • Mic input inpedance 600 Ohms mic
  • Power Output: 5 watts X 2 @ 4 Ohms.
  • Voltage Gain: 55 dB mic 30 dB line
  • Maximum Supply Voltage: 24 VDC
  • THD: .05% typical
  • Bandwidth: 20Hz - 25 kHz
  • Efficiency: 85%
  • Size: 6.75" x 3.5" x 1.5"
  • Weight: 1 lb.


UPC: 675889025101 is a Canadian authorized Rolls retailer.

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Warranty: Rolls MA251 Compact Mixer Amplifier Warranty:

30 Days

Manufacturer's Warranty:

Rolls Accessories
Limited 1-year warranty parts and labor.

Rolls Rack Units: (Mixers, Amplifiers, Processors)
Limited 1-year warranty parts and labor.

Rolls Signal Sources
90 Days warranty parts and labor.

RFX Units
Limited 3-year warranty parts and labor.

Limited 1-year warranty parts and labor.