Garage
Shop

See all parts that fit your 2000 X5

Boston Acoustics GT-2125 R/B

600W RMS GT Reference Series 2-Channel Amplifier

Boston Acoustics
Shop all Boston Acoustics
Product videos
highlight-star-icon

GT Series 2-Channel Reference Amplifier • 125W x 2 Chan. @ 4 Ohm • 200W x 2 Chan. @ 2 Ohm • Fully Computer-Controlled Diagnostics System • Q-Tune™ Technology • Fan Cooled Aluminum Alloy Heatsink •

Learn more about the LS-gt2125-RB

We apologize

This item has been discontinued

Product Highlights


GT Series 2-Channel Reference Amplifier • 125W x 2 Chan. @ 4 Ohm • 200W x 2 Chan. @ 2 Ohm • Fully Computer-Controlled Diagnostics System • Q-Tune™ Technology • Fan Cooled Aluminum Alloy Heatsink •

Description


Item Condition - Refurbished:

A manufacturer refurbished product will function like new with all parts inspected or replaced as necessary. There may be slight cosmetic issues such as scratches or similar. See the description for additional details.

Boston Acoustics GT Reference Series Amplifiers

Boston Acoustics GT Reference amplifiers are perfect for just about any situation and any installation. The GT-2125 2-channel amplifier has a CEA-2006-A power rating of 125W x 2 channels @ 4 ohms, 200W x 2 channels @ 2 ohms, 400W x 1 channel bridged @ 4 ohms, and 600W x 1 channel bridged @ 2 ohms. All of these ratings give the amplifier unsurpassed versatility, whether you are amplifying a set of speakers or even a subwoofer. Q-Tune™ technology will combine your main speakers with the subwoofers, giving you bass up front and a whole new way of enjoying your music. The unique forced air cooling system allows for extreme heat dissipation and installation anywhere without the need to worry of thermal overload. Variable low and high crossovers combined with the Q-Control feature will give you complete control of all frequencies to better fine tune your audio system to better meet your personal preferences. GT Reference amplifiers provide unmatched technology and reliable power output, they are easy to install and are capable of stereo or mono operation with its DualMode™ feature. With all of its features and technologies GT Reference amplifiers are a great choice when selecting an amplifier.

Amplifier Features:

  • GT Reference Series 2-Channel Amplifier
  • RMS Power Rating(CEA-2006-A):
    • 4 ohm: 125 watts x 2 chan.
    • 2 ohm: 200 watts x 2 chan.
    • Bridged, 4 ohm: 400 watts x 1 chan.
    • Bridged, 2 ohm: 600 watts x 1 chan.
  • RMS Power Rating(12V):
    • 4 ohm: 95 watts x 2 chan.
    • Bridged, 2 ohm: 475 watts x 1 chan.
  • Remote bass level input (GT-RSL remote level control sold separately)
  • Red LED power badge and orange protect indicator
  • 2/1 channel operation
  • Adjustable mounting feet (mounting feet move along rails to allow the easiest installation)
  • Fully computer-controlled diagnostics system (continuously monitors amplifier in case of thermal overload, short circuits, or over voltage)
  • Q-Tune™ technology combines sophisticated crossover adjustments with Q-Control settings to seamlessly transition rear bass to the front sound stage
  • Uses a 40 amp ANL fuse
  • Heavy duty fan cooled aluminum alloy heatsink
  • Gold-plated RCA level inputs
  • Gold-plated screw terminals
  • Variable high-pass filter (20-350 Hz, 12 dB/octave)
  • Variable low-pass filter (50-350 Hz, 12 or 24 dB/octave)
  • Signal Voltage Input (200mV-8V)
  • Frequency response: 10-95,000 Hz
  • Dimensions: 13-1/4"L x 9"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.
  • 90-Day Manufacturer's warranty

Specifications & Details


Power Specifications - Full Range Channels
RMS Power @ 4 ohms
125 watts x 2 channel
RMS Power @ 2 ohms
200 watts x 2 channel
RMS Power @ 1 ohm
Not Stable
Bridged RMS Power
600 watts x 1 channel
Amplifier Specifications
Amplifier Class
A/B
Number of Channels
2-Channel
Total RMS Power Output
600 watts
Maximum Input Gauge Size
4 AWG
Minimum Impedance Unbridged
2 ohm
Minimum Impedance Bridged
2 ohms
THD at Rated RMS Power
.03%
Speaker Level Inputs
No
Preamp Outputs
No
Built-in Crossover
Low-Pass (LP)
High-Pass (HP)
High-Pass Crossover Frequency
20 - 350 Hz
Low-Pass Crossover Frequency
50 - 350 Hz
Signal-to-Noise Ratio
100 dB
Remote bass/level controller
Yes
Fuse Rating
40A x 1 
Warranty and Return Policy
Parts Warranty Duration
90 days
Labor Warranty Duration
90 days
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

GT-2125-RB

Weight:

9.00lbs

Internal SKU:

LS-gt2125-RB

Internal Product ID:

60980

Product and How-to Videos


Customer Ratings & Reviews


Boston Acoustics GT-2125 R/B thumbnail image

5 star
0%
4 star
0%
3 star
0%
2 star
0%
1 star
0%



Durability
0
Value
0
Features
0
Design
0
Usability
0

Customer Reviews

Sort by:

Loading...
Sorry, no reviews found


P9686 small

Planet Audio P9686

In-Dash 3.2" LCD Screen CD/DVD/MP3/USB Car Stereo Receiver

$79.95

List price $129.99

HP-200 small

VocoPro HP-200

Full-Size Professional Monitoring Stereo Headphones

$79.99

List price $79.99

AXIHA05 small

Scosche AXIHA05

IPod & Auxiliary Input Adapter for Select 2005-up Honda Vehicles

(6)

$54.99

List price $99.99

HD6903 small

HD HD6903

6" x 9" 3-Way HD Series Coaxial Car Speakers

(5)

$29.95

List price $49.95

BV8974B small

Boss BV8974B

Single-DIN Bluetooth CD/DVD/MP3 Car Stereo w/ 7" Drop Down LCD Screen

(10)

$113.99

List price $272.99

SWE-10S4_ONX2.100 small

250W RMS Alpine + MB Quart Complete Bass Package

Alpine Type-E SWE-10S4 10" Subwoofer + MB Quart ONX2.100 Amp + 8GA Amp Kit + Sealed Enclosure

$214.99

List price $509.92

TR650-CXI small

JL Audio TR650-CXi

450W 6.5" Evolution TR Series 2-Way Coaxial Speaker System

(15)

$149.99

List price $169.99

PI9759B small

Planet Audio PI9759B

In-Dash Flip-Out 7" DVD/MP3 LCD Touchscreen Car Stereo Receiver w/ Bluetooth and USB iPod Controls

(3)

$159.99

List price $229.99

APTT347 small

Toastess APTT347 Programmable Food Steamer and Rice Cooker

Toastess Tvs347 Programmable Food Steamer and Rice Cooker

$61.99

List price $115.00

Related Searches


Save up to 10 different vehicles in your garage
Vehicle
Store
Delete

2000 BMW X5

1979 Buick Riviera

2000 Chrysler Concorde

2004 Lincoln Navigator

2017 Ford Flex

2012 Ford E Series

2000 Jeep Cherokee

2010 Chrysler 300

2013 BMW 750Li

2005 Kia Spectra

Add vehicle Clear all vehicles
Where to find vehicle info
Are you sure you want to clear your garage?
This action cannot be undone. Confirm
This page was not designed for products.
If you continue, you will be redirected to a category customized for your vehicle. Continue
Loading...
Identify your vehicle and submodel details
  • Owner's manual
  • Vehicle's insurance card
  • Vehicle registration
  • Vehicle produced after 2005: Inside driver's side door
  • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
Car Info Side Door Icon
Vehicle Registration Icon
Vehicle Insurance Icon

Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.