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 ohms: 125 watts x 2 chan.
- 2 ohms: 200 watts x 2 chan.
- Bridged, 4 ohms: 400 watts x 1 chan.
- Bridged, 2 ohms: 600 watts x 1 chan.
- RMS Power Rating(12V):
- 4 ohms: 95 watts x 2 chan.
- Bridged, 2 ohms: 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.
- 1-year Manufacturer's warranty
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Average Customer Rating is 4.9 out of 5 stars:
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Average Attributes Rating:
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4.5 |
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4.8 |
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4.6 |
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4.8 |
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4.9 |
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Most Helpful Customer Reviews:
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Review by
jocelyn from silver city, NM
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This amp is auwsome I have it with the Boston g1 dual sub box I also got from this site and sounds very crisp n clear with about 500 Watts. RMS on 13.75 volts very clean deep bass u can get the Boston G1 dual 12s with this amp, that's a great buy and combo definitely recommend Boston products as well as this site.
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Review by
Pascal from St-Jean-sur-Richelieu, Quebec, Canada
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I'm using 4 of these to power 2 component units in my SUV (1 amp per door) and the power is mindblowing. Nice look, easy setup, good build quality. For the price, you just can't go wrong. I've put 3 stars for reliability because they're brand new and i don't know how reliable they will be.
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Review by
Parker from Fargo ND
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Great amp. Boston acoustic, need I say more? Running 2 fifteen inch Boston acoustic g2s on it 300 rms a piece @ 2 ohm bridge and it sounds so nice! Crisp, pure, clean hard low thumping bass. It does get warm at 2 ohm bridge but the heat sink and cooling fan does do there jobs leaving it warm not hot... Frequency reach is unbelievable. Anything from rock, screamo, country, hip hop, dub step everything it plays perfect. If I could id keep this system for life
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Review by
andrew from oakley, CA
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this amp is incredible boston acoustics has always been a choice of mine best bang for buck ever
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Review by
Ty from Livonia, MI
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Bought this amp when it was $300 and it is worth every penny then, now I see it listed at for a little higher an I'm a bit jealous now. If you're considering this amp I don't know if you can find a better amp for the price. I have both sets of my infinity perfect 6.1 speakers hooked up to this guy and they absolutely scream with clarity.
For those of you who have the infinity perfect 6.1 speaker and are having impedance issues with the speakers driving the amp into protect mode, if you do enough research you'll see that some of these speakers have impedance issues, maybe from the crossovers. But i have not had an issues with my speakers on this amp. I have each set wired in series so the amp is seeing 8 ohms a channel, but since there are these impedance issues, or whatever you want to call it, i dont know what the actual resistance is, but i know the amp has never went into protect and i haven't blown a speaker. Have the gain at 4V and had to turn the tweeter setting to -4dB. Hope that helps someone with the infinity perfect 6.1 impedance/clipping problem. I tried the Infinity Reference 475a and rockford amps and they all went into protect unless i wired in series and kept the gain really low. This amp should not have a problem though
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