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| Warranty: | 1 year limited |
Technical Details
- Marine amplifier delivers 110 W x 4 (at 4 ohms), 150 W x 2 (at 2 ohms), 300 W x 1 (BTL, at 4 ohms)
- Conformal circuit board coating, UV-resistant and anti-rust paint, gold-plated connections/hardware
- Accepts RCA line inputs and high-level speaker output connections, with adjustable input level
- Low and high-pass filters with 18 dB/octave (low-pass) and 12dB/octave (high-pass) slope at 80Hz
- Built-in protection circuitry for thermal overload, direct current, and short circuiting
Product Details
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Product Description
Amazon.com Product Description
Building a competent marine entertainment system has never been easier, especially with Sony's XM-604M 4/3 channel marine amplifier at the core. Designed to resist the rigors of salt water and sunshine, this amp features multiple channel configurations and single-side electrical connections to suit almost any application.
Marine Ready
The XM-604M is made to endure everything the marine environment will throw at it. Conformal circuit board coating protects the internal electronics. UV-resistant paint and anti-rust paint on front panel and bottom plate keep it protected from the sun's rays and oxidation. Gold-plated screws, terminals, and connections all resist corrosion.
High- and Low-Level Inputs
The XM-604M features both RCA pin jacks for low level inputs, or you can make a direct connection with the speaker output (e.g., a high-level input connection) of your marine audio unit if it is not equipped with the line output. Input level is also adjustable, so you can match your receiver's output perfectly for minimal distortion.
Low- and High-Pass Filters
This amplifier features a built-in low-pass filter with an 18 dB/octave slope, and a high-pass filter with 12 dB/octave slope, both at 80Hz.
Pulse Power Supply
This unit has a built-in power regulator which converts the power supplied by the 12V DC marine battery into high-speed pulses using a semiconductor switch. These pulses are stepped up by the built-in pulse transformer and separated into both positive and negative power supplies before being converted into direct current again. This is to regulate fluctuating voltage from the marine battery. This light weight power supply system provides a highly efficient power supply with a low impedance output.
Protection Circuitry
Protect both your vehicle's electronics and this amplifier with built-in protection circuitry for thermal overload, direct current, and short circuiting. The unit will shut down after indicating the issue with a red LED.
XM-604M Select Specifications
| Power Rating: | 4 Speakers: 110 W x 4 (at 4 ohms) 3 Speakers: 150 W x 2 (at 2 ohms), 300 W x 1 (BTL, at 4 ohms) |
| T.H.D: | .005% or Less |
| S/N Ratio: | 97dB |
| Power Supply Voltage: | 10.5 - 16V |
| Frequency Response: | 5 Hz - 50 kHz |
| Input Level: | 0.3 - 6.0V (RCA input) 2.8 - 12.0V (High Level Input) |
| Low Pass Filter: | 80 Hz, -18dB/octave |
| High Pass Filter: | 80 Hz, -12dB/octave |
| Dimensions: | 15-7/8 x 2-1/4 x 10-1/2 Inches (W x H x D) |
| Weight: | 7 Lbs. 1 Oz. |
What's in the Box
Sony XM604M Marine 4/3 Channel Amplifier, High-Level Input Cable, Mounting Hardware, Protection Cap, Documentation
Product Description
Customer Reviews
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Most Helpful Customer Reviews
5 of 5 people found the following review helpful:
5.0 out of 5 stars
Great Price - Great Sound,
By Happy Boater (Nashville, TN) - See all my reviews
This review is from: Sony XM604M Marine 4/3-Channel Amplifier (Electronics)
We bought this for our boat to go along with a new Sony stereo, 4 speakers, and subwoofer. The sound quality with just the Sony stereo and speakers was not impressive, I was ready to return everything. Lots of noise and any bass sounded awful. We decided to give the stereo and speakers a chance by buying the Sony subwoofer and amp. I am so glad we did. After hooking everything up, which was easy, the sound quality was amazing. Everything from Hip-hop to high-treble 80's music sounds great. I was worried because Sony is not known for sound quality, but I am sold from now on. I hope this review helps. I could not find enough reviews when I was buying this product.
3 of 3 people found the following review helpful:
5.0 out of 5 stars
Great Quality,
By Live for Summer "Ready for Summer" (Los Angeles County) - See all my reviews
Amazon Verified Purchase(What's this?)
This review is from: Sony XM604M Marine 4/3-Channel Amplifier (Electronics)
I bought a Ski Centurion Elite V 22' boat and wanted to upgrade the stereo system from the existing Alpine unit (which didn't have an i-pod port) and the older marine speakers. I installed this Sony Amp, along with the Sony CDXM60UI Marine Stereo and 6 Polk DB-651 speakers (4 in the boat & 2 on the tower). This combination has a clean crisp sound, even at a higher volume, with a nice bass. I'm so impressed with this amp. My installer was also impressed with how this system sounded. I would recommend it highly.
1 of 1 people found the following review helpful:
4.0 out of 5 stars
Good Speakers,
By Smogg Monster "Smoggy" (Palo Alto, CA) - See all my reviews
This review is from: Sony XM604M Marine 4/3-Channel Amplifier (Electronics)
I run 2 of these in my boat....wanted to be able to hear some bass over the sound of the motor while wake boarding....got what I asked for....good speakers for the price.
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