Components installed:
- One Rockford Fosgate R2S-1X10 10-inch shallow loaded enclosure
- Kenwood KDC-BT555U receiver/head
- Boss R1100M monoblock amp
- Sirius/XM SXV-200v1 tuner
- Metra single DIN faceplate kit
- Metra wiring harness adapter
I wanted to use a local business for this installation, but they quoted me $750 to install $250 worth of components. So I decided to order the stuff from Amazon and do it myself. I got a much better head, a better amp, the Sirius/XM tuner (not included in the quote from the local vendor) and the same subwoofer/enclosure for less than $350. It took me parts of three days to do the install, but it was fun, I learned a lot, and I do quality work (even if I do say so myself).
The bottom line is, the system sounds awesome. I had already upgraded the stock Infinity speakers in the front and rear doors with a set of Boston Acoustic speakers. I did this a few years ago when the stock speakers got wet or rotted and started buzzing. This gave me a tinny sound that had very little low end. That and the fact that I could not use my iPhone with this system finally prompted me to upgrade. I had never installed an amp before and didn't have the first idea what would be required. Luckily a lot of info is available on the Internet that makes this stuff doable.
The local installer had told me that this size subwoofer enclosure would fit behind the smaller driver-side rear seat in my Dakota Quad Cab, but that turned out to be incorrect. The alternative is to spend an additional $200-$300 to purchase a molded enclosure, plus the cost of the actual subwoofer. So I decided to locate the enclosure on the rear floorboard, snugged up against the middle console, facing backwards. I am still in the process of trying to decide how to anchor it there--it's dangerous to have something that heavy not properly anchored down, as it could become the source of severe head trauma in a crash. I am thinking I'll probably use some combination of velcro and home-made brackets. The one thing I have noticed is that, if it is placed directly against the back of the console, the console will not lift up and out of the way in the front seat. This is a problem for me, because that's usually where I place my Glock when I'm transporting it but want to keep it out of view.. But, from a rear-seat occupant perspective, this configuration allows two people to still ride comfortably in the back, though it does extend slightly into each occupant's knee space. It pretty much makes the middle seat unusable though, so if you need that much passenger room, you will need to spring for the molded enclosures that fits under that seat. Luckily I rarely have passengers riding in the back.
The hardest thing about the install was running the 8-guage power supply from the battery through the firewall into the pax compartment. Using Internet research, I located the wiring harness grommet on the driver's side, and was able to use a coathanger to get the wire through. I pushed the coathanger through and then electrical-taped the 8-guage power supply wire to the other end of the coathanger. First time it came loose, but second attempt worked like a charm.
The wiring harness kit was pretty simple. The order is Kenwood wiring harness-->adapter kit from Amazon-->factory connections in my truck. The wiring is almost idiot-proof as it is pretty much color-to-color. The only discretion involved my truck's OEM amplifier--I needed to connect its control wire and the new amp's control wire to the single P-CONT wire from the new harness. If you understand that all these wires do is turn on the amps when the radio is powered up and turn them off again when the head unit is off, it's a no-brainer to figure out you just need to wire both control wires to this same wire in the harness.
To test the connections, I twisted all the wires together and electrical-taped them. Once I confirmed everything was working, I took the harnesses back into my house and soldered them and used rubber heat shrink around the soldered connections. I prefer that to the cheap crimp connectors included in the 1100 amp wiring kit I purchased at Walmart.
The one thing that nearly threw me off was the amp's "Protection" light that illuminated after I cleaned everything up and put the trim back on the interior of my truck. Luckily, I was able to search the Amazon user comments and learned that an improperly grounded amp is one of the causes. Sure enough, I removed the piece of trim under which I had connected the 8-guage ground wire to the body of the truck with a screw and saw that I had jarred loose the ground wire when I snapped that piece of trim back in. My advice is, if you get a "Protection" light on this amp, check the ground wire connection before you do anything else.
I am amazed at the quality of the sound. The bass is amazing and it's almost like having a new truck. I highly recommend these components.
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BOSS Audio Systems R1100M Riot Series Car Audio Subwoofer Amplifier - 1100 High Output, Monoblock, Class A/B, 2/4 Ohm Stable, Low/High Level Inputs, Low Pass Crossover, Mosfet Power Supply, Stereo
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BOSS Audio Systems Monoblock Amplifier + 8 Inch Subwoofer$106.99 $109.21This bundle contains 2 items
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From the manufacturer
Ramp up the bass with the BOSS Audio Systems R1100M Class A/B Monoblock Amplifier. With 1100 Watts Max Power and MOSFET power supply, this amplifier takes your vehicle's audio system to the next level.
Customize the sound with Variable Low Pass Crossover, Bass Boost and Remote Subwoofer Control.
Amplifiers in the Riot Series are perfect for first time car audio buyers looking to add bass, enhanced sound, and performance to their system
- Class A/B, Monoblock, MOSFET power supply
- 1100 watts @2-ohms x 1 max, 550 watts @4-ohms x 1 max
- High & low level inputs, soft turn on circuit, thermal overload speaker and short protection
- Power & protection LEDs, variable low pass crossover 35–160 Hz
- Variable bass boost 0–18 dB, variable gain control, impedance 2–8 ohms
- THD @ RMS output: ˂0.01%, S/N Ratio 102 dB, frequency response 9 Hz–50 kHz
- Fuse quantity (1) 30 amp ATO blade, dimensions 9.1” x 10.4” x 2.3”, weight 5.8 lbs.
- Remote subwoofer control
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MOSFET Power SupplyMetal Oxide Semiconductor Field-Effect Transistors quickly switch from full to non-conduction for high-efficiency output. |
Class A/BOur Class-A/B amplifiers feature specific linear circuitry that increases sound quality and power output while reducing distortion and improving efficiency. |
2 Ohm Stable2-Ohm stable comfortably powers speakers or subwoofers when in use at 2-Ohms, resulting in more power and volume. |
High and Low Level InputsHigh-level inputs accept speaker output signals and low-level inputs accept pre-amp output signals to allow for the addition of amps and processors to standard factory or aftermarket source units. |
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Variable Low Pass FilterVariable low-pass filter gives you control over the frequencies that pass through to the subwoofer. |
Switchable Bass BoostSwitchable Bass Boost allows you to boost the low bass +18db. |
Short ProtectionAutomatic shut-off protects the amplifier if it gets too hot or if speakers fail causing a short. |
Variable Gain ControlThe Variable Input Control allows the amplifier input to match the output signal from the head unit to achieve optimum performance when adjusted properly. |
Compare with similar items
This Item  BOSS Audio Systems R1100M Riot Series Car Audio Subwoofer Amplifier - 1100 High Output, Monoblock, Class A/B, 2/4 Ohm Stable, Low/High Level Inputs, Low Pass Crossover, Mosfet Power Supply, Stereo |  |  |  |  |  | |
| Price | -42% $76.99 List: $133.00 | $89.99 | $91.99 | -20% $63.99 List: $79.99 | $79.00 | $83.99 |
| Delivery | Get it as soon as Sunday, May 19 | — | Get it as soon as Wednesday, May 15 | — | Get it as soon as Sunday, May 19 | Get it as soon as Sunday, May 19 |
| Customer Ratings | ||||||
| Sound quality | ||||||
| Value for money | ||||||
| Sold By | Speece, Inc. | Audio Watt Store | Spreetail | LEIGE | PSB Retail | 24 HOURS STOP |
| number of channels | 1 | 4 | 2 | — | 4 | 4 |
| voltage | — | 6 volts | — | — | 16 volts | 15 volts |
| mounting type | Car Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
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This amp is a workhorse that does what it says
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Customer Review: Review from YouTuber Gamer 1
Trucker9000
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Just what i was looking for!
First of all, this amp sounds nice. I have it paired with the Rockford R2 Prime 12 inch Sub in a sealed BBox . Correctly tune this bad boy and you will have a system that bumps in your car, while not disturbing the public. If you are into sound quality and just want to add that low end to your music, this amp does the trick, bit dont buy this if your are trying to win sound competitions. If you buy this, Amazon will show you that other people have bought the Boss 8 gauge wiring kit...dont do it! The kit is not as good as this amp. This amp requires an 8 gauge wire, but the boss kit is not true to gauge. If you buy their 8 gauge kit, you will get a power wire that is 12 gauge after you strip the insulation. This is dangerous, so dont do it. I ordered the boss kit and immediately return it and went to walmart and spent 25 bucks on a scosche 8 gauge kit that uses 100 percent copper and true 8 gauge. Get your wiring right and learn how to properly tune an amp and you will have good result...make sure to look for a sub that is rated at least 250 watts RMS at 4 ohms and it will sound nice and wont burn down your car.Update: I forgot to mention the bass boast feature on here. Generally, they say dont turn this on, but on this amp you might have to to get that punch. I am running a 4 ohm sub with and rms of 250w. in order for me to get 250 rms output from the amp, i had to switch on bass boost so that i could achieve that voltage i needed from the output of the amp, with is 31.6 volts. The math is simple. decide how many watts you wanna run....in my case its 250w. You multiply this by the ohm of your sub....for me its 4 ohms...so 250 x 4 = 1000. Then take the square root of 1000 which equals 31.6 V . Next,download a 50hz test tone from the internet and put it on your phone, mp3 player or cd. Next turn your gain on your amp all the way down, and if you have the bass knob installed, turn this all the way up. Disconnect the sub from the amp. Using a multimeter, put your leads on the amp output and set your meter to AC voltage. Go back to the head unit and play the 50 hz test tone and turn it up on your head unit until you get distortion, then back it off so its clean again....or turn it up 3/4 of the way. Go back to the amp and adjust the gain on your amp amd look at your voltage on your meter, turn it until you reach your target voltage based on the math above.For most people, they will need to turn on bass boost to achieve a high enough voltage from the output of the amp. with out bass boost, the voltage is too low and youll be likely underpowering the sub. I hope this helps someone who is looking at this amp. like i said this amp is wonderful, if you know how to tune it and get it to output your watts you need.
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