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    Monoprice 8-Inch 60-Watt Powered Subwoofer, Black
    Product # 8248
    In Stock This item will ship on 9/24/2018 if ordered within 1 days 17 hours 45 minutes
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    Speaker Type 8" High Performance Powered Subwoofer
    Driver 8" Reinforced
    Amplifier Power Output 60 Watts (RMS)
    Frequency Response 50 Hz - 250 Hz
    Lowpass Crossover Adjustable from 50 Hz - 150 Hz
    Functions Power (On/Off)
    Inputs High Level (speaker), Line (RCA)
    Dimensions (H x W x D) 13.75" x 11.75" x 11.75"

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    Browse 27 questions Browse 27 questions and 59 answers
    What fuse do I buy if to replace a blown one?
    A shopper on Jun 16, 2017
    BEST ANSWER: Directly above the fuse holder it states "2 AMP" - couldn't be any simpler. As far as the type of fuse, take it out bring it with you and they will be able to determine the replacement (i.e AGC = Fast Blow, AGX = Slow Blow, etc.) this information and the fuse's current rating are stamped into the metal end cap of the fuse itself.
    How would this mate with Pioneer Andrew Jones SP-BS22 bookshelf speakers?
    A shopper on Feb 20, 2017
    BEST ANSWER: You can use the HI LEVEL IN from your stereo speaker B out. Best way is to use a line out or LFE RCA output from your stereo. Your speakers will sound great.
    You say "If you are using an amplifier with a single mono subwoofer line level output, simply use an RCA "Y" cable to split the output and send it to the two line level inputs on the subwoofer." Is the splitter required, or will it work with the single line level connection from the amp to either the L or the R channel?

    If a splitter is required, what is the center-to-center spacing between the two LINE IN RCA jacks? I'm hoping it will be the same as the spacing on Product # 7195 "RCA Jack to 2x RCA Plug Splitter", to avoid additional cable length and connections.
    New User U on Aug 7, 2018
    Monoprice 8-Inch 60-Watt Powered Subwoofer, Black
    Monoprice 8-Inch 60-Watt Powered Subwoofer, Black
    Monoprice RCA Jack to 2x RCA Plug Splitter Adapter, Gold Plated
    Monoprice RCA Jack to 2x RCA Plug Splitter Adapter, Gold Plated
    BEST ANSWER: I ordered this splitter and the spacing was perfect on the back of my older NHT Sub amplifier. I went from a Vizio soundbar with a single Sub output to the Sub Amp which has standard stereo Amp left and right input.. Works like a Champ!
    Does this product include an RCA cable?
    Brandon M on Apr 10, 2017
    BEST ANSWER: No it does not... need to buy one separately...
    Can i use on computer?
    A shopper on Oct 21, 2017
    BEST ANSWER: As a powered sub it can accept any audio line level output. If your computer sound board has a subwoofer output it can accept that. Feeding an audio line to it will cause it to reproduce the frequencies between 50 and 250 hz.
    My receiver does not have subwoofer LFE/ other connections. So the question is, can this Powered SW be added in line with speakers? If so, how would it be configured - Speakers between subwoofer and source, or subwoofer between speakers and source?
    New User U on Feb 19, 2018
    BEST ANSWER: Great question! I am actually running the sub in-line right now. Basically you can just run speaker wire from your amp speaker outs to the speaker input on the sub and you can either run more speaker wire out of the same inputs to your speakers, or directly from the same amp outputs you run the wire to the sub from. Sounds confusing, but it is very simple. Just remember that the wire running to the sub is really only providing signal to the sub, the actual sub amp is doing the heavy lifting for the sub.
    how can i connect this sub with klipsch r15pm active powered speakers? can you tell me if i need any additional cable and which one? can you also tell me where can i buy this sub in europe cause i saw that you dont ship to croatia?
    A shopper on Sep 10, 2018
    BEST ANSWER: This powered subwoofer does not offer any line or speaker level outputs. You will need to use Y-cables from your source and run directly to the Monoprice 8" sub and your powered speakers. You may be able to work with our new staff in EU here https://www.monoprice.uk/
    What is the center-to-center distance between the two pins? I'm hoping it will be the same as the two LINE IN jacks on Product # 8248 "8-Inch 60-Watt Powered Subwoofer", to avoid additional cable length and connections.
    New User U on Aug 7, 2018
    Monoprice 8-Inch 60-Watt Powered Subwoofer, Black
    Monoprice 8-Inch 60-Watt Powered Subwoofer, Black
    Monoprice RCA Jack to 2x RCA Plug Splitter Adapter, Gold Plated
    Monoprice RCA Jack to 2x RCA Plug Splitter Adapter, Gold Plated
    BEST ANSWER: Your adapter looks like it should work fine. I have a similar set up and have had no issues.
    Can I add a passive subwoofer to either of the Left or Right (Red/Black) lines? I have a Samsung passive subwoofer that I would like to connect to this unit. Would that be possible?
    New User U on Jan 20, 2018
    BEST ANSWER: There is no line out on the sub so no. Passive sub needs amplifier so would have to use amp lines out or main speaker outputs.
    Can I use this with a dvd/cd player in my RV?
    A shopper on Dec 17, 2017
    BEST ANSWER: This unit can work with the AV system in an RV, but compatibility is more about your amplifier than your disc player. You need to split the audio signal for your existing speakers, sending full left-right audio to this subwoofer in addition to your main speakers. The larger sub from Monoprice works in series with your other speakers, this 8" model works in parallel. I can't imagine needing the added bass in a RV-hosted system, though. Seems like a better place for high-grade headphones.
    Should the light be red or green on subwoofer?
    A shopper on Dec 4, 2017
    BEST ANSWER: Yes mine is always red when it is on good little sub
    When using this with other powered speakers, does the line level inputs and corresponding outputs put out a high passed signal? I want to make sure signals below the set crossover frequency are not going to my stereo speakers.
    Michael R on Mar 7, 2017
    BEST ANSWER: I agree, I don't see any outputs. And by the way, it is very rare for subwoofers to have high-passed outputs, and (stupidly) rare for stereo amps to be able to accommodate that. You need an audio-video receiver.
    I have a 3.0 soundbar that has a sub-out port. Will this sub woofer work with it?
    A shopper on Feb 19, 2018
    BEST ANSWER: The sub has a pretty standard "sub-in" port. It's a low-level black RCA hookup and it'll probably work perfectly with your sound bar.
    What do I need cables, amp?
    Can it be connected directly to flat screen?
    A shopper on Nov 4, 2017
    BEST ANSWER: It came with all the needed cables for my setup and I connect it directly to my screen.
    Has anyone removed the driver and know what resistance is? Most likely 4ohm or 8ohm?
    MINH T on Jan 19, 2018
    BEST ANSWER: Why should that matter when the internal speaker driver is driven by its own amplifier? All of that has already been calculated into the design of this POWERED subwoofer.
    Does the stated height - 13.75 inches - include the legs?
    A shopper on Jan 3, 2018
    BEST ANSWER: Yes, the height measurement includes the legs.
    4.5 / 5.0
    257 Reviews
    5 Stars
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    1 Star
    Good luck!
    Ok, I have a bone to pick with this product. Before I begin I will start by saying I would recommend against buying this sub. I have not actually read the other reviews on this product yet so I don't know where everyone else stands, but here's where I'm at with this one

    I bought one of these along with an entire in wall speaker system. Front:6816 , Center: 6317, Mids/Rears:4619 as well as a dozen more 4619s throughout the house. Now as for every other product number mentioned there, I have nothing but great things to say. The rest of the speakers I bought are incredible. Perfect sound quality once tuned properly.

    Now as for this sub, the first one I bought with the speakers as it was the one day sale and I figured I'd give it a shot. Set it up, tuned it, worked great for about a week. I liked enough to order a second one for my other system. After I ordered the second one, the first one suddenly wasn't working anymore. After a quick check, the fuse was blown, no biggie, got some more, they're cheap enough. Nope, blew another one, tried a few more things, blew another one, simply can't get it to turn on. The second one I order came it, I hooked it up, there's some sort of ground fault or crossover in the wiring, but it's just a constant buzz. Even with nothing connected to it, to the point where I can't use it. So basically, I bought two of these and I now have two useless step stools.

    I'm not shooting down mono, I swear by this site, but unless my luck is really that bad and I just got two lemons in a row, I would say this is not one of the best products they've ever carried.

    PROS: When it works, the sound quality is amazing for a small sub.

    CONS: Reliability
    April 23, 2013
    Buzzing noise Fix/Solution
    If anyone is experiencing a buzzing noise while the subwoofer is on, try using a 3 to 2 prong power cord adapter. They sell them at Walmart for less than $3 I believe. This is pretty common for a lot of amplified subwoofers.
    January 11, 2014
    Good for the price
    I bought this sub to pair with Monoprice 8250 6.5" bookshelf speakers (which are an incredible deal!) This sub pairs with them nicely and takes over the low range that they cannot deliver. The package matches well in looks and in sound. At this price, the sub is an excellent value! I have owned better subs, but they cost 5x what this one does. On the good side, the sub delivers better frequency response than advertised. I think there might be a bit of an error in translation from Chinese to English. The specs say Freq response from 50Hz-150Hz. In fact that is the crossover range. The actual measured frequency response in my system was down to 20Hz, although below 30Hz it was at lower volume. 30Hz was about the low end of sound delivered with any power. However, that is quite a bit better then the 50Hz called out in the specs.

    On the other side of the dial, the crossover is not 100% effective in eliminating higher frequencies. When testing this sub without the speakers, it still had higher frequency sound above the crossover frequency that came through. The high frequency sound was much quieter than the low frequency sound, but still there. When run with the speakers on, it was a non-issue, but it does point to the low quality electronic components that must be used to make such a low cost subwoofer. Same goes for the non-functional Auto-on/off switch. It does nothing. It would be nice if it worked, as the sub emits a low volume hiss/buzz when no music is being played. I thought at first it must be my signal that was causing it to hiss and not shut off, however it does it with no signal wire attached as well. If the auto-on/off feature actually worked, this would be a non-issue.

    Also, shipping cost was higher than quoted, but the price overall was still good.

    This is not an audiophile quality subwoofer, but if you are an audiophile, you're not going to be buying this cheaply anyhow. Great value!

    PROS: Better performance than specs list.

    Freq response down to 30Hz

    Good looking and sounding.


    Well boxed for shipment

    CONS: Audible buzz when not in use

    Auto-of/off does not work - If it did, the buzz would not happen

    High frequency bleed in

    Shipping cost is high
    October 23, 2013
    Works better than I hoped!
    I wanted to post my review, because I was really hesitant to pull the trigger on this unit based on the reviews already posted. Some people said they couldn't hear it, or it was weak, etc. For $60, though, I wondered how bad could it be?

    Cut to now, I couldn't be happier. I have this hooked to a pawn shop 7.1 Yamaha receiver I got for $80. I also had a couple of NHT Sub Zeros I wasn't using, so those became my desk speakers. This is all being fed by an iMac in my home office.

    I guess I'm not sure what people expect for $60. I have a $500 Paradigm sub in my home theater setup. I know what a sub can do. But for the size and price, this sub sounds fantastic. My expectations have really been exceeded, and I have no regrets. I listen to mainly rock/metal and a little country and hip-hop, and so far it's been great. It's more than powerful enough to keep up with the NHT's, and you can certainly hear it about anywhere in the house.

    Just my opinion, but remember, we don't always know the whole story. Stereo equipment can get complex, and people can easily hook things up wrong. Sure, there are defective units, but one guy said he couldn't hear it from a foot away. LOL - I can promise you that's not the case. This isn't one of those crappy subs that comes with those Best Buy cheapo computer speaker sets. This is replacing a Klipsch ProMedia 2.1 system that is basically wearing out.

    My only regret is I didn't do this several years ago. I can't speak to the durability yet, but performance and value are exceptional.

    PROS: Well built, lots of features for price, sound quality, price

    CONS: Ugly front grill, no mono input - make sure to order an RCY Y cable
    June 6, 2015
    Response from Monoprice

    Thank you for your review and glad to hear you are enjoying you powered subwoofer. Should you need an RCA splitter, we do have PID 6261:


    Thank you again for your feedback, it is greatly appreciated!

    Gisselle B.
    Tech Support
    November 18, 2016
    Monoprice Administrator
    Not oustanding - But more than servicable
    This is probably the cheapest subwoofer you can buy that is not coming off craigslist. Mine did not seem to hum out of the gate, but it has started a little bit in the last week (I've owned for a month or two). It is a little 'boomy', but I'm sure that's partly due to my placement choice under my desk. I do listen at very low levels since it's in my office at work, which may be why it sticks out so much from a sound perspective. I've paired this with a quality T-Amp coming out of my computer and a nice pair of Polk bookshelf speakers - so it is probably a bit under-matched from a quality perspective. Given my space, my need, and not wanting to spend $ on something I didn't really NEED - I felt this was the right price point. There are many times when the saying "you get what you pay for is appropriate". While I would argue this time it is true, I would also say that given what a decent-good subwoofer will cost you, the price of this subwoofer and it's sound/performance leads me to think I've gotten a bit more than what I've paid for......

    PROS: It's cheap and sounds OK

    CONS: It's cheap and sounds OK
    October 29, 2014
    Inexpensive...Big....Warm Sound
    Using the RCA to RCA hook up, I love this sub. Pretty of sound for medium sized room. Nice compliment to my surround sound set up.
    March 21, 2016
    Great sound, unbelievable value.
    This sub sounds pretty damn good hooked up to my computer with a set of Alesis studio monitors. Is it better sounding than my $500 home theater sub, no. But for less than $70, I have killer low end sound and I'm very satisfied. Also, this has its own volume control and passover frequency control, which are features you'd typically only see on mid to high-end subs.

    Best sub you will find under $100, hands down! I'd highly recommend this to anyone on a budget looking for a banging sub.
    March 6, 2016
    great for the $
    I this bought to replace my 100W sony sub that died. This actually sounds better. 40W is NOT much difference. Enough rumble for movies and PS3 games. BTW my receiver only has a single RCA input for the sub. The old cable worked just fine when plugged into one of the speaker inputs. No adapters needed.

    PROS: Sounds great.

    CONS: None.
    June 16, 2012
    In the end I couldn't tolerate the constant humming. A wasted $70 dollars, subwoofer went to the ewaste recycler. Monoprice should fix the problem or not sell it.

    PROS: None.

    CONS: Constant AC hum even replacement has the same problem.
    June 17, 2014
    worth the money
    I bought this sub to use for my SS and replace the 100W Sony sub. This sounds better. My old sub was 10 years old and died. I could tell the differrence playing call of duty and watching movies.It has plenty of rumble. BTW my SS has a single RCA connection for the sub. This hooked right up to it.Just plug it into the right or left channel. No need for adapters.

    PROS: Great sound and rumble.

    CONS: None
    April 29, 2012