DMA-1240 High Efficiency Multi-Channel Amplifier


SKU: DMA-1240
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The DMA-1240 high efficiency digital multi-channel amplifier offers comparable or better performance, features, and build quality than products costing twice as much or more at retail. And we back it up with a 30-day guarantee and two year parts and labor warranty. Here are some more detailed specifications of the DMA-1240 along with a comparison to popular models from Niles and Sonance:




Sonamp 1230
Retail Price$699$1,199$1,249
Channels of Amplification121212
RMS watts per channel, all channels driven
     8 ohms403030
     4 ohms604245
     Adjacent Channels Bridged 8 ohms12080100
Total Harmonic Distortion (THD) 20 Hz - 20 kHz
     8 ohms0.04%0.04%0.03%
     4 ohms0.07%0.06%0.10%
     Adjacent Channels Bridged 8 ohms0.09%0.06%not available
Number of stereo inputs available to all channels211
Number of stereo outputs211
Independent input for each channelYesYesYes
Each channel can play left, right, left+right (mono),

or independent input
Gold plated 5-way binding post speaker terminalsYesYesYes
Gold plated line level input and output terminalsYesNo

(nickel plated)

(nickel plated)
Independent level control for each channelYesYesYes
Turn-on modes (music sensor, voltage trigger, manual)YesYesYes
12-volt control output for system expansionYesYesYes
Built-in impedance protection/

number of light indicators
Dimensions (HxWxD)4" x 17"

x 15.75"
5.5" x 17"

x 15"
5.5" x 16.8"

x 14.3"
Net Weight29 lbs28 lbs38 lbs