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Rolls MA251 5 Watt Stereo Amplifier and 4-Channel Mixer (Discontinued)

Part # MA251
Model # MA251

The Rolls 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.

Description

Details

The new Rolls 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.
Features

Features

  • Small size and low heat class D design
  • One Balanced XLR input, two RCA inputs and one 3.5mm input
  • Low cost, helps win your bid
  • Included 12 VAC power supply
Specification
Line Input Impedance10K Ohms Line
Mic Input Impedance600 Ohms mic
Power Output5 Watts X 2 (4 Ohms)
Voltage Gain55 dB Mic30 dB Line
Maximum Supply Voltage24 VDC
THD.05% typical
Efficiency85%
Bandwidth20Hz - 25 kHz
Dimensions (H x W x D)1.5" (38.1 mm) x 6.75" (171.5 mm) x 3.5" (88.9 mm)
Weight1 lbs (0.45 kg)
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