JBL GX-A604 4 Channel Amplifier
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Product Details
JBL GX-A604 4 Channel Amplifier is a 435 Watt, 4-channel, full-range powerhouse amplifier
Features a cast-aluminum heat sink, built-in electronic crossover networks and bass boost circuits
On-board variable electronic crossovers and variable Bass EQ makes this a versatile system building tool for the audiophile
Easy to install, yet can serve as the foundation of a truly sophisticated sound system
4-Ohm Power Output: 60W rms x 4, less than 1% THD+N
2-Ohm Power Output: 85W rms x 4, less than 1% THD+N
Bridged power output: 170W x 2 into 4 ohms
Total peak power output: 435W
Signal-to-noise ratio: 93dB (ref rated output @ 4 ohms)
Frequency response: 20Hz−20kHz ±1dB
THD+N: less than 1%
Input sensitivity: 200mV−20V
Variable bass boost: 0 to +12dB @ 45Hz
Dimensions: 11-13/16 L x 8-1/8 W x 2-1/16" H (30 x 20.6 x 5.2 cm)
| Part Number | GX-A604 |
|---|---|
| Package Depth (cm) | 24.89 cm |
| Package Depth (in) | 9.80 in |
| Package Height (cm) | 10.80 cm |
| Package Height (in) | 4.25 in |
| Package Weight (kg) | 3.10 kg |
| Package Weight (lb) | 6.83 lb |
| Package Width (cm) | 33.53 cm |
| Package Width (in) | 13.20 in |
This product carries a manufacturer warranty. Please visit or contact your local Canadian Tire store for details. This product carries a manufacturer warranty. Please visit or contact your local Canadian Tire store for details.
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Review Highlights
Reviews
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Great Amplifier but...
Yes, I recommend this product.
Originally posted on jbl.com
Van Instalation and it is wicked
Yes, I recommend this product.
Originally posted on jbl.com
Great inexpensive amp!
Yes, I recommend this product.
Originally posted on harmanaudio.at
Powerful
Yes, I recommend this product.
Questions
Q: Can i use this to power my 4 jbl gx602’s?
7 years agoA: Yes the GXA604 amplifier will work with the GX 602 speakers without any issues.
7 years ago
Q: I'm using the GX-604 4 channel amp with 4 JBL 6.5" CS762 coaxial speakers. What should I have be level set to? 0.2v or 4.0v? Thanks
8 years agoA: Hi Ainsley, Thank you for the question. You might find the answer to your question in our Product Support FAQ and Knowledgebase Sections. The link is located at the top of this page. To submit a support case, please fill out the Contact Us form at the same location.
8 years ago
Q: Hello. Does this amp work in 3 channels? having 2 straight for components and the other 2 bridged for a subwoofer? Thanks :)
8 years agoA: We would like to work with you directly to help you with your issue. Please submit a case request at https://www.jbl.com/support-contact.html and the Customer Service Team will be more than happy to assist you.
8 years ago
Q: Can I use the GX-A604 to power a JBL CS1204B subwoofer and 2 13cm speakers with a max 250W power output and 35W RMS, without loosing any sound quality? or should I just power the sub only? Thanks
8 years agoA: The GX-A604 is can power the sub but it would be too much for the speakers since they can only handle 35 RMS while the GX-A604 only handles 60W at 4 ohms and 85W at 2 ohms. If you're planning on connecting the speakers I would advise not to crank it up too much as it may damage the speakers in the long run.
8 years ago
Q: Hi, will GX-A604 properly power front pair GT7-6C 6.5" and rear pair Gt7-96 6"x9" ? Is there any possibility of overheat on maximum power? And last one. Is there any output for monoblock amplifier?
8 years agoA: This set-up will work okay as long as you set your front and rear levels correctly. The GX-A604 can output up to 60W to 4-ohms speakers - which is the impedance of the GT7 series speakers. The The GT7-6 and the GT7-96 can handle up to 45 and 70W respectively. This means that as long as you set your front levels a to around 75% of the way, you should be alright and there should be ideally no risk at maximum power. This amplifier does not have a pre-out to be bridged to another amplifier. As an alternative, you can split the output from the head unit going to your fronts, with a Y-adapter, going to the monoblock amplifier. For further help, please submit a case at jbl.com/contact-us and our Customer Service Group will be glad to assist you.
8 years ago
Q: i bought 2x gto609c component speakers. what amplifier would best to install together n how is the wiring?
8 years agoA: You can bridge these GTO609c to the GX-A604 so the amp will provide 170W per speaker since the GTO609C can handle up to 200W.
8 years ago
Q: Hello, I have a pair of Stage 9603 and one of stage 502, it's this amplifier to much for those speakers?
8 years agoA: The GX-A604 drives 60W x4 @ 4 ohms while the Stage 9603 can handle 70W at 4 ohms, unlike the Stage 502 can handle 35W at 4 ohms. In a nutshell, the Stage 9603 can handle the amplifier while the Stage 502 cannot handle the amp due it's low power handling.
8 years ago
Q: I want to take my rear channel speaker high level output and tie into the GZa604 amp and get 4 channel output. Will this work, do I have to tie into both high level inputs or just 1 input? Does this amp come with 1 or 2 high level input cables?
8 years agoA: We would like to work with you directly to help you with your issue. Please submit a case request at https://www.jbl.com/support-contact.html and the Customer Service Team will be more than happy to assist you.
8 years ago
Q: Am I able to run a pair of 2ohm and a pair of 4ohm speakers on this amp simultaneously without causing damage?
8 years agoA: Yes, you will be able to connect a pair of 2-ohms speakers and a pair of 4-ohms speakers on this amp simultaneously without causing damage as each power amplifier channel can handle down to 2-ohms at maximum power output of 85 watts.
8 years ago
Q: I bought this amp! I have an Infinity Reference 860w 8 inch subwoofer( 250 Watt RMS, 4 ohms) I am only hooking up this one sub...no other speakers. I'm not too sure how to wire it up though. Are they compatible?
8 years agoA: You can bridge the subwoofer to this amp by using the rear set of wire terminals. Run wire from the sub's positive terminal to the amp's rear left positive terminal. Run a wire from the sub's negative terminal to the rear right negative terminal. Doing so will provide the sub with 170 watts RMS at 4 ohms but this will leave the other two channels unused. Also, this may help you on how the control switches needs to adjusted. - Set the input mode switch to 4 channel. - Set the high pass switch to ON. - Set the x-over switch to LP (low pass) - If needing more bass enhancement, switch bass boost to ON
8 years ago
