Boston Acoustics

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High Performance Mobile Amplifier

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Overview

Boston Acoustics SPG555.



    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

Specifications

Number Of Channels:
5 Channels
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)
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

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