Question about Boston Acoustics GT-50 Car Audio Amplifier

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Swapping 2 amps for 1 amp.

Would you suggest running 2 amps, one being a 4 channel for front and back speakers ,and a 2 channel bridged for a 10 in sub. Or possibly going to a single 5 channel amp. i have a 93 gmc extended cab p/u truck . I already have all the wires and rca cables in place for the 2 amp set up , but was really wanting to simplify the set up and save some space, though not a whole lot. i was running a rockford fosgate 4 channel and an mtx 2100 2 channel. thought about going to kicker 5 channel. any suggestions on a good quality 5ch for a decent price somewhere between 2 and 300 dol.

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You will get a Lot better Results with the 2 Amp. Setup. I have 3 in my 95" Silverado and Mounted them Under the Back Seat (Xcab) Works Great! Please Rate My Response! Thanks!

Posted on Feb 03, 2009

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I have an alpine mrv-f307 4/3/2 channel. I have it hooked up to 2 12in Kenwood subs. Right now standard 2 channel each sub having their own. I heard doing a series hook up and bridging the subs to the amp ...


Bridging an amplifier refers to combining the power of two channels to run one speaker at higher power. If it is wired correctly, your amplifier is running with 4 channels bridged into 2 speakers now.

Mar 11, 2015 | Kenwood Car Audio & Video

1 Answer

Which amplifier is best suitable for me to use?


This really depends on the setup you intend to create in your vehicle.

The Amplifer (amp) needs to be matched to the speakers you intend to run.


As a rule of thumb, the power of the amp shouldn't exceed the max. power of the speaker (this may damage your speaker). Instead, the amp's RMS output power should be at 75-100% of the speaker's RATED (RMS) input power. NOTE: this must NOT be confused with max power.

Ideally, you want to run each speaker with its own amp channel.

A subwoofer will usually require a hi-power single channel amp, or a 2 channel amp, bridged into 1 (to increase power output required for the sub).

Here are some examples in simpler terms:

1 channel (hi power) amp can run a subwoofer.
2 channel amp can run 2 speakers, or 1 sub (bridged).
4 channel amp can run 4 speakers, or a combination of 2 spkrs + 1 sub (bridged), or perhaps 2 subs (bridged).

Hope this makes sense.

Feb 27, 2013 | Car Audio & Video

1 Answer

Hook up lanzar 4 channel amp, directions say to use single rca cables with y connectors. my stereo has L/R rca outputs for front, rear & sub total of 3 sets =ing 6. amp has total of 4 one rca...


Well personally i would probably use two channels to run all the highs and bridge the other two channels into one mono to run the sub ..

Jun 02, 2011 | Car Audio & Video

1 Answer

What is the best way to wire four 6" 55 watt


My advice would be to connect the front speakers and the sub woofer to the amplifier and run the remaining rear 2 speakers from the headunit. This way you dont stress the amplifier to run on two different loads at the same time and still maintane control over your system. Bridge your sub woofer on chanel 3&4 and do not forget to set the LPF for chanel 3&4. If your speakers are not components in the front set the HPF on chanel 1&2 to roughly 60 to 80 Htz.
dreamsystems.

Feb 10, 2011 | Clarion APX490M Car Amp

1 Answer

I have 2 sony xplod 4ohm subs rated 350w rms and 1200w max, i have them in really shallow boxes because i drive a single cab toyota, i know these subs **** but i do also know that they can hit alot harder...


the premier amp is better since it has a better rms rating (360w total or 160w each sub) than the eclipse (280w if you bridge all 4 channels which isn't possible but 140w for each speaker bridging 2 channels per speaker). Neither are going to push your subs but if you get another amp wiring kit and use one amp per sub they will sound a lot better and you could just hook both power wire and ground wires from the bridged channels to the power and ground terminals for the sub. That would be my suggestion since the subs are rated at 350w and each amp is 280w and 320w which will push but not blow the subs.

Aug 17, 2010 | Sony Car Audio & Video

1 Answer

I am trying to install my xtant 604x after i just had it sent out and repaired. I have 4 rca's coming from the head unit wired to the amp as FL, FR,RR,RL. The front speakers connected to the front output...


CLICK HERE for your Owners manual in PDF format
CLICK HERE for your Installation Guide in PDF format

As we agreed in chat - you are going to run your 4 channel amplifier as follows...

Front Channels of amplifier will run left and right independently.
Wire up the left speakers in parallel all + together and all - together.
This will yield a 2 Ohm load.

To the Same with the Right Side speakers - on the FRONT Right channel of the amplifier.

Now you have a 2ohm stereo load on the FRONT channels of your amplifier.

And using the BRIDGED nomenclature on the REAR channels of your amplifier - wire up your 4ohm sub mono.

Here is a crude drawing for a visual

589d9af.gif

Thanks for using FixYa - a 4 THUMB rating is appreciated.



Sep 05, 2009 | Car Audio & Video

1 Answer

I have a audiobahn a400t and im running 2-12''jh45 mtx jackhammers the speakers are wired in parallel stabel @ 2or1 ohm. the speakers are in a ported box. how do i run my wires to my hook these up right to...


Hello rattle822,

A pair of JH4512-04's can be wired to 2 ohms if the subs themselves are paralleled. There's only one voice coil and it's 4 ohm. If wired in series, the final impedance to the amp would be 8 ohms. They cannot be wired to 1 ohm.

In bridged mode, your 4-channel amp is only stable down to 4 ohms. You can bridge 2 of the channels to provide a relatively low 200 watts RMS X 2. The best power solution for your subs would be to bridge channels 1 and 2 and wire one sub to it. Likewise, bridge channels 3 and 4 and connect the other sub. If you connect both subs in parallel, the impedance will be too low causing the amp to overheat and possible fail.

As for the settings: Low pass filter on, crossover somewhere between 80-100, input levels to match your receiver, and bass boost to your personal preference.

Hope this helps.

Aug 13, 2009 | AudioBahn Car Audio & Video

2 Answers

What is the best way to connect 4 speakers and a sub to a 4 channel amp.


I would connect the 4 speakers to channels 1-2 in stereo with high pass filter. Bridge the sub to channels 3-4.
A thumbs up would be greatly appreciated if this answer is helpful to you. best-way-connect-4-speakers-sub-4-zb4bomd1rt4qms0dqd12kkt2-3-0.jpg

May 01, 2009 | Car Audio & Video

1 Answer

Why connect a car amp in series and will this help me?


Not sure if it's what was meant by previous poster. But if you're just driving the two subs off the 4 ch, and no other speakers, your best bet is to run pairs of bridged channels, ie use the 4 ch as a more powerful 2 ch amp. Then independently run one sub on each of these paired channels.

If you bridge all 4 channels (not sure if this is an option on this amp), and then run your subs in series, you will likely lose out compared to the peak power you could be seeing with two independently paired channels.

Dec 01, 2008 | Car Audio & Video

1 Answer

How many speakers can I use?


Hi,
This should work if channel 3 & 4 are bridged at 4 ohm.
channel 1 should be stable at 2ohm
channel 2 should be stable at 2 ohm
You can hook up the right side speakers together ( + with + and - with - ) . same thing with the left side. this will give you 2 ohm each channel. this will cause your amp to run hot (this might be tuff on the amp). It will give you right (2 speakers) and left ( 2 speakers ), no front and rear adjustement if you need to balance your sound. I think you should be better buying another amp for your sub and take your 4 channels for your 4 car speakers. this amp as a rca output that can feed the other amp ( sub amp ). it is possible to do it.

Good luck

Nov 11, 2008 | Alpine MRP-F250 Car Audio Amplifier

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