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Boston Acoustics GTA-500m

500W Monoblock Class D GTA Series Amplifier

  • 5.0

(1 review)

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Sonic was very patient with all of my questions about installing and purchasing products. I took more time then most people would. Not once did Mr Brendan H. give me any negative feedback. I would highly recommend both Mr H and Sonic Electronix.

- Joeseph R. from Brooklyn, NY

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GTA Series High Performance Amplifier

Sonic Electronix is now carrying the new 2011 line of Boston Acoustics GTA Series Amplifiers. These amps come in Monoblock, 2-Channel, 4-Channel, and 5-Channel configurations as well as numerous different power ratings. Each one these GTA Series amplifiers feature a wrap-around heatsink design, SST (Symmetrical Signal Topology), IMS (Integral Mounting System), 3-way protection circuitry, fully adjustable Q-Tune circuitry, and much more.

The GTA-500m is a Monoblock version of this series and has an RMS power rating of 300 watts x 1-channel wired at 4 ohms and 500 watts x 1-channel wired at 2 ohms. It is equipped with gold-plated RCA level inputs & screw terminals and is powered by a MOSFET power supply. The option of low-level, or high-level inputs will allow the installation of these amplifiers into any system with ease. The fully adjustable low-pass/high-pass crossovers will allow for complete control of all frequencies allowing for personalized tuning of your audio system to better meet your musical needs and preferences. GTA amplifiers offer high performance with advanced features and technologies.

Product Features
  • Monoblock Class D GTA Series Amplifier
  • RMS Power Rating:
    • 4 ohms: 300 watts x 1 chan.
    • 2 ohms: 500 watts x 1 chan.
  • MOSFET power supply
  • Optional Bass Remote available Boston Acoustics GTA-RSL(remote level control sold separately)
  • LED power and protect indicators
  • SST (Symmetrical Signal Topology) system uses balanced asymmetrical inputs for noise cancellation
  • Fully adjustable Q-Tune circuitry for simple bass output optimization
  • Recessed control panel for clean installation
  • 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
  • Mono channel operation
  • Speaker-level (high-level) inputs with signal sensing for automatic turn-on
  • Preamp RCA outputs to daisy chain multiple amps
  • 3-Way System Protection circuitry (thermal, overload, and speaker short protection)
  • Fully adjustable and selectable lowpass/highpass crossovers
  • Wrap-around heatsink design for extreme heat dissipation
  • Gold-plated RCA level inputs
  • Gold-plated screw terminals
  • Variable High-Pass Filter (50-150 Hz, 12 dB/octave)
  • Variable Low-Pass Filter (10-50 Hz, 12 dB/octave)
  • Subsonic Filter (10-50 Hz)
  • THD (Total Harmonic Distortion): 1%
  • Signal to Noise Ratio: 90 dB
  • Frequency Response: 10-150 Hz
  • Input Voltage: 14.4 volts
  • Fuse Rating: 25 amp x 2
  • CEA-2006 compliant amplifier
  • Dimensions: 8-5/16"D x 10-5/8"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.
  • 1-year Manufacturer's warranty
Power Specifications - Subwoofer Channel
RMS Power @ 4 ohms 300 watts x 1 channels
RMS Power @ 2 ohms 500 watts x 1 channels
Amplifier Specifications
Amplifier Class D
Number of Channels 1 - Mono
Total Peak Power Output Not specified by manufacturer
Total RMS Power Output 500 watts
Maximum Input Gauge Size 4 AWG
Minimum Impedance Unbridged 2 ohms
Minimum Impedance Bridged Not Bridgeable
THD at Rated RMS Power 1%
Speaker Level Inputs Yes
Preamp Outputs 1 pair
Built-in Crossover Low-pass (LP)
High-pass (HP)
High-Pass Crossover Frequency 50 - 150 Hz
Low-Pass Crossover Frequency 10 - 50 Hz
Subsonic Filter 10 - 50 Hz
Signal-to-Noise Ratio 90 dB
Channel Separation Not specified by manufacturer
Bass Boost Q-Tune Circuitry
Bass/Gain Remote Optional (Accessory required and sold separately)
Fan Cooled No
Fuse Rating 25A x 2 
CEA-2006 Compliant Yes
Warranty and Return Policy
Return Policy Standard Return Policy
Parts Warranty Duration 1 year
Labor Warranty Duration 1 year
Warranty Provider Manufacturer
Customer Review Summary for Boston Acoustics GTA-500m
Average Customer Rating is 5.0 out of 5 stars:
  • 5.0
based on 1 Review
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what's this?
Average Attributes Rating:
Durability
  • 5.0
5.0
Value
  • 5.0
5.0
Features
  • 5.0
5.0
Design
  • 5.0
5.0
Usability
  • 5.0
5.0
what's this?
Most Helpful Customer Reviews:
June 12, 2012 slaps dummy hard
Review by
zmore from oakley, CA
Overall
  • 5.0
Durability
  • 5.0
Value
  • 5.0
Features
  • 5.0
Design
  • 5.0
Usability
  • 5.0
this made my system slap DUMMY HARD!!!! boston accoustics is one of the leading manufactuers too bad they are going out of business
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Product Summary

Manufacturer: Boston Acoustics
Model number: GTA-500m
UPC: 0690283478803
Weight: 7.00 lbs
Internal SKU: gta500m
Internal product ID: 39776