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authorized dealer for Boston Acoustics GTA-1005 5-Channel 720 Watts RMS GTA Series Amplifier (GTA1005)

Boston Acoustics GTA-1005 5-Channel 720 Watts RMS GTA Series Amplifier (GTA1005)

Item #: 82130 Availability: DISCONTINUED
Mfg Part No.: GTA1005 Condition: Brand New

Free 2-Year Warranty


For pick-up:   Please give us a call to confirm your order so we can have the product ready for you.

Boston Acoustics GTA amplifiers use some of the same technologies found in their top-of-the-line GT Reference amps to give your music a powerful boost. And these attractive amps deliver the sonic goods at a reasonable price.

The 5-channel GTA-1005 amplifier puts out 50 watts RMS per channel to your front and rear speakers, plus up to 400 watts RMS to a subwoofer system — plenty enough power to get your entire system rockin'. Boston Acoustics' Q-Tune™ technology lets you tune your bass so you get maximum performance from your sub/enclosure combination. The inputs feature special noise-cancellation circuitry that ensures clean reproduction of your music all the way through to your speakers.


  • Boston Acoustics GTA-1005 GTA Series 5-Channel Class AB and D Car Amplifier
  • RMS Power Rating:
    • 4 ohms: 50 watts x 4 chan. + 250 watts x 1 chan.
    • 2 ohms: 80 watts x 4 chan. + 400 watts x 1 chan.
    • Bridged, 4 ohms: 160 watts x 2 chan. + 250 watts x 1 chan.
  • MOSFET power supply
  • Bass Remote Details (Boston Acoustics GTA-RSL required and sold separately)
  • LED power and protect indicators
  • Bass Boost/EQ details (0-6 dB bass boost at 45 Hz)
  • Boston’s Q-Tune™ circuitry for simple bass output optimization
  • 5/4/3/2 channel operation
  • Speaker-level inputs with signal sensing for automatic turn-on
  • Preamp RCA outputs
  • 3-Way System Protection circuitry (thermal, overload, and speaker short protection)
  • SST™ (Symmetrical Signal Topology) system uses balanced asymmetrical inputs for noise cancellation
  • Recessed control panel for clean installation
  • Wrap-around heatsink design for ample cooling in multiple mounting positions
  • IMS™ (Integral Mounting System) reduces the amplifier footprint
  • All input/output connections are located on one side of the amplifier to ease installation and wire management
  • Optimal angled speaker and power blocks for easy wire connections
  • Gold-plated RCA level inputs
  • Gold-plated screw terminals
  • Variable high-pass filter (50-200 Hz, 12 dB/octave)
  • Variable low-pass filter (50-200 Hz, 12 dB/octave)
  • Sub low-pass filter (50-150 Hz, 12dB/octave)
  • Subsonic filter (10-50 Hz, 12dB/octave)
  • CEA-2006 compliant amplifier
  • Frequency response: 10-50,000 Hz
  • Dimensions: 8-3/8"D x 21-1/4"W x 2-3/8"H
  • 4-gauge power and ground wiring is required for installation. Contact us for information regarding a discount on select amplifier kits when purchased together with this amplifier.

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