Read the Performance Auto & Sound review of the GTA-400M

PERFORMANCE
• High efficiency Class AB & Class D Hybrid amplifier design
• Boston’s Q-Tune™ circuitry for Simple Bass Output Optimization
• SST™ (Symmetrical Signal Topology) system uses balanced asymmetrical inputs
for noise cancellation
• Fully adjustable and selectable Lowpass/Highpass crossovers
• Wrap-around heatsink design for ample cooling in multiple mounting positions

INSTALLATION
• Full system solution in one package
• Dedicated High- (speaker level) and Low- (RCA) level inputs
• Optimal angled speaker and power blocks for easy wire connections
• All input/output connections are located on one side of the amplifier to ease installation
and wire management
• IMS™ (Integral Mounting System) reduces the amplifier footprint
• Recessed control panel for clean installation and concealed wire management
• Optional GTA-RSL remote gain for controlling the subwoofer volume from the drivers seat

Number Of Channels:
5 Channels
Front and Rear Power @ 4-ohm Stereo (CEA-2006-A):
70 Watts x 4
Front and Rear Power @ 2-ohm Stereo (CEA-2006-A):
125 Watts x 4
Front and Rear Power @ 4-ohm Mono(CEA-2006-A):
250 Watts x 2
Subwoofer Channel Power @ 4-ohm Mono (CEA-2006-A):
250 Watts x 1
Subwoofer Power Power @ 2-ohm Mono (CEA-2006-A):
400 Watts x 1
Frequency Response Front & Rear Channels (-3dB):
10Hz-50kHz
Frequency Response Subwoofer Channel (-3dB):
10Hz-50Hz
Signal to Noise Ratio (A Weighted):
>90dB
Lowpass Crossover:
12dB Adj. (50Hz to 200Hz)
Highpass Crossover:
12dB Adj. (50Hz to 200Hz)
Height:
2-3/8” (60mm)
Width:
21-1/4" (538mm)
Depth:
8-3/8” (211mm)