ADA MPA-500

Five Channel Power Amplifier

The MPA-500 is biggest and most powerful THX certified power amplifier in the world. Based on an audiophile configuration, where the power supply is in its own chassis, isolated from the amplification modules, the MPA-500 delivers a whopping 450 Watts per Channel into 4 Ohm speakers. All five channel deliver superb power, evenly, with clarrity and precision. No speaker is too large for the MPA-500.

Picture of MPA-500

For a better JPEG picture of the MPA-500, click on the pictures above.

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MPA-500 Specifications

Inputs_Outputs 5 Matched Inputs (RCA) & Outputs (Banana Pin)
THD @ 1KHz, 1W, 8 Ohm 0.0068%
S_N Ratio @ 1KHz, A Wtd. -85 dBr
Input Sensitivity 100mV for 1W, 8 Ohm, 0 dBr
Input Impedance 47K Ohm
Output Impedance 2-8 Ohm
Gain 30 dB
Separation@1KHz,1W,AWtd. >-75 dB
Class of Operation A-A_B
Frequency Response 20 Hz - 20,000 Hz
Continuous Avg. Watts_Ch 250 Watts @ 8 Ohm, 450Watts @ 4 Ohm (Individual)

Size & Weight

MPA-500 Amplifier

MPS-50 Power Supply

Both Units are required

5.25"H x 19"W x 16.5"D, 32 lbs (Shipping Weight)

5.25"H x 19"W x 16.5"D, 58 lbs (Shipping Weight)

AC Power - Short Time Power - All Channels 4 Ohm 120V, 60Hz, 3240W - 220V, 50Hz, 3240W

Audio Design Associates, Inc - www.ada-usa.com - 1-800-43-AUDIO or (914) 946-9595