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*Boss Audio Riot R1004 400 Watt 4-Channel Car Power Amplifier

knabazar
(10790)
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US $69.99
ApproximatelyC $96.72
or Best Offer
Condition:
Open box
“New”
People want this. 11 people are watching this.
Pickup:
Free local pickup from Philadelphia, Pennsylvania, United States.
Shipping:
US $21.20 (approx C $29.30) USPS Ground Advantage®.
Located in: Philadelphia, Pennsylvania, United States
Delivery:
Estimated between Wed, Aug 20 and Mon, Aug 25 to 94104
Delivery time is estimated using our proprietary method which is based on the buyer's proximity to the item location, the shipping service selected, the seller's shipping history, and other factors. Delivery times may vary, especially during peak periods.
Returns:
No returns accepted.
Payments:
     Diners Club

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eBay item number:275377225923
Last updated on May 21, 2025 12:27:02 EDTView all revisionsView all revisions

Item specifics

Condition
Open box
An item in excellent, new condition with no wear. The item may be missing the original packaging or protective wrapping, or may be in the original packaging but not sealed. The item includes original accessories. The item may be a factory second. See the seller's listing for full details and description. See all condition definitionsopens in a new window or tab
Seller Notes
“New”
Model
R1004
Country/Region of Manufacture
China
RMS Power
200W
MPN
R1004
Channels
4
Brand
BOSS Audio
UPC
Does not apply

Item description from the seller

About this seller

knabazar

97.5% positive feedback•25K items sold

Joined Jul 2011
We open all Items (Including Brand New) for Inspection before Shipping
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Detailed seller ratings

Average for the last 12 months
Accurate description
4.9
Reasonable shipping cost
4.7
Shipping speed
4.9
Communication
5.0

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  • 8***s (558)- Feedback left by buyer.
    Past 6 months
    Verified purchase
    Great experience overall! Item arrived brand new and exactly as described — excellent quality, perfect condition, great value for the price, and excellent appearance. Fast shipping and well-packaged to avoid any damage. Highly recommended seller!
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Product ratings and reviews

Learn more
4.2
144 product ratings
  • 90 users rated this 5 out of 5 stars
  • 30 users rated this 4 out of 5 stars
  • 6 users rated this 3 out of 5 stars
  • 4 users rated this 2 out of 5 stars
  • 14 users rated this 1 out of 5 stars

Good sound quality

Good value

Small form factor

Most relevant reviews

See all 104 reviews
  • by xrilander
    Apr 21, 2021Top favourable review

    Works just fine with 2v preouts.

    Like others have described, engine whine is an issue with this unit. I added 2-20 amp RCA ground loop isolators to fix the issue (an additional $20). I`m using all 4 channels (no sub) to power 4 Blaupunkt 4 way 6x8`s (4ohm) in my 2005 Taurus. New 14 gauge speaker wire throughout, with 10 gauge power/ground wires. Amp is mounted under the passenger side seat, runs cool at any volume. Head unit is a 2010 Pioneer DEH 5300HD with 2v pre out voltage. Gain is set to 3/4, and there is no distortion, even with the 2v pre outs. Strong bass, crisp highs. Terrific bargain unit!

    Verified purchase: YesCondition: NewSold by: speeceinc

  • by 2wheelsrenuf
    Aug 27, 2017Top critical review

    Sounds great, if your car is not running...

    I got this all installed and it sounded great. Easy to install even using the high level inputs. However the trouble began as soon as I started the car. I could hear (loudly) everything the car was doing electrically. Radiator fan, alternator, ignition, power windows, turn signals, everything. I went through all of the usual grounding checks and even went so far as to ground the amp, head unit, and antenna to the battery. Nothing helped. I'll be looking for a new amp. Anyone want to buy a Boss R1004 with less than an hour of run time on it!?!?

    Verified purchase: YesCondition: NewSold by: fanteller

  • by savedbygrace1684_2
    Dec 29, 2017

    Excellent

    This may be a cheap amp with zero crossovers but it is an excellent entry level amp if you understand frequency responses and such. I measured this amp on a dyno and at 13.9v and 4v into the low level preouts I am getting 41 watts by 4 at 4ohms with the gain at 3/4. THD is 0.01 at 3/4 gain and S/N Ratio is a true 96db at 1 watt. That is fantastic specs for such a cheap amplifier. Highly recommend if you're looking for a little extra power on a small system. I'm using this amp to run 6 1/2. two ways and 6x9 3 ways. Very loud and clean. Just don't expect clean signal much passed 3/4 gain. That's the distortion threshold. If your headunit only has 2v preouts, don't bother getting this amp because without clean audio voltage it will distort at less than half gain. Hope this helps. I'm a ...

    Verified purchase: YesCondition: NewSold by: pricepounders

  • by czfIKQNNTl-@Deleted
    Aug 10, 2016

    Great amplifier love it (not for high powered speakers)

    This is a great amplifier if you are looking for some little things.....like i powered my bullet tweeters and front 6s.. Although had problems with engine noises but got rid of it, really happy how my car audio sound more great than before love it

    Verified purchase: YesCondition: NewSold by: spreetail

  • by tw5tdfeatr5
    Nov 12, 2018

    4 channel Boss Riot 400 watt amp

    I bought it on ebay. It's not the sellers fault it was a brand new Boss 4 Channel Amp that cost $35 I wasn't expecting window shattering music. I was however expecting to be able to listen to music louder than my pioneer stereo puts out. I hooked up the amp with the truck off it sounded great I was very shortly excited. As soon as I started the truck with no music playing the horrible noise this amp doesn't filter out is unbelievable for an amp made in 2018. I have been installing systems for years and knew I was buying literally the cheapest not from walmart amp I could. I regret not spending a few extra $$ and buying a good 4 channel amp. I immediately took it out of the truck and I am in search of a good cea compliant amp. You get what you pay for.

    Verified purchase: YesCondition: NewSold by: 0ib42jvgs9w@deleted

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