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Boston Acoustics GTA-1000M

Mono subwoofer amplifier — 1,000 watts RMS x 1 at 2 ohms

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  • Boston Acoustics GTA-1000M

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  • Boston Acoustics GTA-1000M

  • Boston Acoustics GTA-1000M

  • Boston Acoustics GTA-1000M

  • Boston Acoustics GTA-1000M

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Item #: 065GTA1000
 

Review Summary

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Original price $284.99
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Our take on the Boston Acoustics GTA-1000M

by Buck Pomerantz
Boston Acoustics

My system has plenty of power. Who needs an amp?

You might think you don't need an amp because you have a 400-watt system in your car, or because your new stereo puts out 50 watts a channel. But those are peak wattage ratings, which may boil down to 15 or 20 watts per channel, using the more realistic RMS rating. An amp sends your speakers the power they need to deliver your music with clarity and impact, whether you're using factory speakers or high-performance components. And low-frequency reproduction requires lots of power, so an amp is an absolute must if you're adding a sub to your system.

Boston Acoustics takes much of the technology they developed for their top-of-the-line GT Reference amps, and uses it in their latest GTA Series amplifiers. The GTA-1000m mono amplifier puts out up to 1,000 watts RMS to your subwoofer system — more than enough power to get your bass 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.

The GTA-1000m's compact size allows it to fit in more vehicles, while the Integral Mounting System puts the mounting holes in each corner of the frame, instead of using protruding tabs that waste space. You'll find all connections and adjustment controls located on one side of the amp, for a neat installation and easy adjustment. Variable low-pass and subsonic filters let you tune the amplified signal so your system can sound its best. An optional wired remote control gives you the power to tweak the bass level from the front seat.

See more info on this item

Highlights:

  • mono subwoofer amplifier
  • 600 watts RMS x 1 at 4 ohms (1,000 watts RMS x 1 at 2 ohms)
  • CEA-2006 compliant
  • variable low-pass filter (50-150 Hz, 12 dB/octave)
  • variable subsonic filter (10-50 Hz)
  • Q-Tune technology variable bass boost
  • optional wired remote subwoofer level control
  • Symmetrical Signal Technology (SST™) uses asymmetrical balanced inputs for noise cancellation
  • frequency response: 10-150 Hz
  • preamp and speaker-level inputs
  • fuse rating: 35A x 3
  • 4-gauge power and ground leads recommended — wiring and hardware not included with amplifier
  • 12-9/16"W x 2-3/8"H x 8-5/16"D
  • warranty: 2 years
  • Our 60-day money-back guarantee

Hands-on research from the Crutchfield Labs (what are the Labs?)

Features and Specs
Performance
RMS Power Output (Watts x Channels)
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600 x 1
Peak Power Output (Watts x Channels)
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N/A
Power at 2 Ohms (Watts x Channels)
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1000 x 1
Bridged Power (Watts x Channels)
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N/A
Minimum Impedance Bridged
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N/A
Minimum Impedance Unbridged
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2
Best Frequency Response
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10-150 Hz
THD at Rated RMS Power
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1%
Signal to Noise Ratio
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90 dB
Input Voltage
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14.4v
Features
Amplifier Class
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D
Low-Pass Crossover Frequency
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50-150 Hz
Low-Pass Slope (dB/octave)
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12 dB/oct
High-Pass Crossover Frequency
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N/A
High-Pass Slope (dB/octave)
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N/A
Bass Boost
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No
Bass Boost Frequency
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N/A
Fan Cooled
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No
Fuse Rating
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105
Speaker Level Inputs
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Harness
Preamp Outputs
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No
Width (inches)
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12-9/16
Height (inches)
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2-3/8
Depth (inches)
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8-5/16
Parts Warranty
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2 Years
Labor Warranty
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2 Years
Product Research
What's in the box?

Download owner's manual

  • Mono amplifier
  • Six 35-amp ATO fuses (3 installed/3 extra)
  • 12" Speaker-level input harness
  • Four 3/4" Self-tapping screws
  • 4mm Alen wrench
  • 3mm Alen wrench
  • Owner's manual (English)
  • Owner's manual (Spanish/ French)
  • Warranty information

Our Product Research Team

At Crutchfield, you'll get detailed, accurate information that's hard to find elsewhere. That's because we have our own in-house Product Research team — they open the box, verify contents, check the owner's manual, and record dimensions, features and specs. We stay on top of new products and technologies to help people make informed choices.

Features
Controls
Connections

Features

2Ω Stable: The GTA-1000M is 2Ω stable; the lower impedance offers higher output power:

  • 600 watts x 1 @ 4 Ω
  • 1000 watts x 1 @ 2 Ω

Controls and Terminals: All the controls and terminals are conveniently mounted on one side of the amp.

Controls

Gain: Adjust the input sensitivity with this rotary control; the range is 0.2 Volts to 5.0 Volts for line-level and 0.4 Volts to 10.0 Volts for speaker-level.

Crossover Frequency: The low-pass crossover is always engaged, with a crossover point continuously variable from 50 Hz to 150 Hz; the slope is 12 dB/octave.

Subsonic Filter: The subsonic (high-pass) filter is always on and is continuously variable from 10 Hz to 50 Hz; the slope is 12 dB/octave.

Q-Tune: Once the subsonic crossover point has been set, use the rotary Q-Tune control to increase the bass information centered around the crossover point.

Connections

Speaker-level Input: Use the included speaker-level input harness when the receiver has no RCA outputs.

Line-level Input: Left and right RCA jacks for the input signal from the head unit.

GTA-RSL: RJ-14 port; connect an optional GTA-RSL remote level control (item number 065GTARSL, sold separately).

Speaker Output: One pair of set-screw terminals is provided for connecting the subwoofer; the terminals accept up to 8-gauge wire; the set screws are tightened/loosened with the supplied 3mm Allen wrench.

ATO Fuses: Three 35-amp ATO-type fuses are located between the speaker and power terminals.

Power/Remote: Three set-screw terminals for connecting power, ground, and remote wires; the power and ground terminals accept up to 4-gauge wire (4-gauge recommended) and the remote terminal accepts up to 8-gauge wire; the set screws are tightened/loosened with the supplied 4mm and 3mm Allen wrenches.

 

Product reviews from the Crutchfield Labs (what are the Labs?)

Boston Acoustics — a sound decision

Boston Acoustics — a sound decision

by Matt Freeman
 
Boston Acoustics — a sound decision

When the offer came through to "audition" some new Boston Acoustics gear in my car ... well, I just couldn't refuse. After all, it'd been an awfully long time since my last upgrade, and I was eager...

 
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Boston Acoustics GTA-1000M Reviews

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5 out of 5

Boston amp GTA-1000M

Written By Tom, Tampa FL on Friday, March 09, 2012
 
Installed in my 1500 HD GMC running 4 - 8 inch subs 4 ohm load . Deep rich bass with no distortion . At higher volumes with the gain slightly above half , it shakes the sleeves on my shirt . Advisor sent me the wiring diagram I needed for the four ohm load as well as suggesting this amp. If I had to do it all over again , I would do it exactly the same .
Pros:
Plenty of power for my application . Easy to install . Customer support was fantasitc .
Cons:
None
1 out of 1 people found this helpful
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For a more in-depth review and enhanced detailed information on the Boston Acoustics GTA-1000M, please visit the Crutchfield website product page (/ISEO-rccbcspd/p_065GTA1000/Boston-Acoustics-GTA-1000M.html ).