• out of stock

KRK 8S Studio Subwoofer $199 Delivered @ Allans Billy Hyde

850

This is a great price for a studio subwoofer. It'll go well with your studio monitors, or just your regular speakers, or even your TV.

It won't give you sofa-shaking bass like a home theater subwoofer or doof-doof fully sik bass like a hotted up suby, but it'll give you tight, accurate, deeper bass for your music or whatever you're watching.

It has an 8" driver and has XLR, TRS (i.e. large headphone-style), and RCA inputs. There are also passthru outputs for you to connect it inline with your existing speakers.

More info here:
http://www.krksys.com/krk-subwoofers/8s.html

KRK released a newer model so I guess they're just clearing these out!

Configuration:Front Loaded, Vented Subwoofer
System type:Active Subwoofer
Low-Frequency:8" glass aramid composite woofer, 1.5" VC
Frequency Response: 35Hz-133Hz
Max Peak SPL:112.8 dB
Amplifier Class:Class D
Power Output:109 Watts Continuous @ 1% THD+N @ 46Hz
SNR (signal to Noise Ratio):92dB
Amplifier Distortion (THD+N): 0.1% @-3dB of Max Power Output 35Hz - 133Hz
Input Impedance (Ohms):9.4 kΩ Balanced or 9.2 unbalanced
Ground Lift:On / Off
Low Pass Frequency:30Hz to 205Hz
HPF bypass:with footswitch only
Footswitch:Optional
Phase:0 or 180 degrees
System Volume:-30dB to +6dB
Indicators:Power/Standby (rear indicator) and Sub On/Mute, HPF bypass (front indicator)
Input Connectors:
XLR Left/Right, 1/4" TRS Left/Right, RCA Left/Right, 1/4" footswitch
LFE input:N/A
Output Connectors:
XLR Left/Right, 1/4" TRS Left/Right, RCA Left/Right
AC Power Input: Selectable 110AV-240AC
Enclosure Construction: 15mm reinforced MDF
Finish: black vinyl wrap
Grille: Steel perf
Dimensions (H x W x D):13.3" (339mm) x 11.57" (294mm) x 14.25" (362mm)
Weight:26.01 Lbs. (11.8Kg.)

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Allans Billy Hyde
Allans Billy Hyde

closed Comments

  • +4

    Great find OP! This one should sell out quick!

  • +5

    Great price but Billy Hyde never again…..Bought some gear from the Blackburn VIC store and when I had a problem Bourke Street refused to touch it for warranty at all.

      • +4

        Problem is that Blackburn closed down, leaving Bourke St as the only store in VIc

        • I didn't know that.

          That is interesting what you/they should have done then.

          Did you get it fixed?

        • +1

          @spaceflight: They refused to to touch it even though it’s only 4 months old. It was more effort to kick up a stink, and I needed them working for a project, so I just took it to Keyboard Corner and got it repaired in a week.

        • +2

          @epicttiimm:

          thats not good.
          so buying this will potentially leave u with lots of problems in the future with no support whatsoever?

          bummer

        • +2

          @rasserie: eh depends on your use case. I need them for work so i need to minimise downtime. My mate who works in the music industry says he doesn’t expect Allan’s Billy Hyde to last more than past the end of this year; bear in mind the last shop in Adelaide just closed down last month.

        • +1

          @epicttiimm:

          i hope that yours is a one off.
          that their products are top quality and will last at least a decade.

          what do you think.

        • keep receipt and send to distributor …. more of a pain due to postage but at least will be fixed …. lots of products for warranty are send back to distributor anyway…. hassle is postage cost after you get an rma.

      • +3

        Even if that's correct, it makes them a shitty business for doing this.

  • Great price! Bought it for my office.

  • Anything on 10s?

    Seen now, price not tempting. 479 for the 10, seems high imo

    • +2

      I purchased the 10s in 2012 for $449. One of the best things I got for my sound system.

      They don't lose value.

      • @400 I would buy, I found one a while back on eBay sold for 150 blown fuse.

        Can't justify paying around the 500mark but 400 I'll jump on it. The 8 is great value for the price but really want the 10 to go with my Rokit 8's

  • +1

    Didn't need another sub, but I didn't say I couldn't use it!
    Thanks OP, KRK make decent gear on a budget, a good addition to the lounge arsenal.

  • I’ve recently purchased a Samsung 3CH Sound bar (HW-MS650), would this compliment it?

    It’ll be plugged in with a LG OLED C7.

    • I wouldn't unless space is at a real premium. OLED would be brilliant for movies, 8in 100w sub, not so much. I'd recommend a 10 or 12 if you want a more cinematic experience.

  • +2

    Sold. That's a good price. I have the same studio monitors, and they're great, so this should add to them very nicely.

  • +1

    I had the 10s, had to sell it as I was getting complaints from neighbors even 3 doors down. Audio quality was excellent however it was too powerful against my Rokit 5s.

    So tempted to buy this one.

    • +4

      Well now you'll only get complaints from 2 doors down

      • +1

        Looking forward to it, ordered one ;)

    • Only 3 doors down, your neighbours should be happy. Mum hears me coming from the main road and my friends when I go to there place about 100m away. No complaints so far

  • +1

    Is this a proper subwoofer or just a midbass fart-cannon?

    • You know the answer to that.

      • Obviously not

    • +1

      When I got advice from Whirlpool to buy a midrange sub, they mentioned the 10s as the best. For the price, you can't get better.

    • +6

      It is designed as a monitor, so frequency acuracy is a goal.
      KRK make good budget monitor gear, for the price its a good deal, but is limited by the 8" driver and 100W (enough for normal use, but won't shake the house)

      • Cheers. So it should be sufficient for a 3x3ish room then? I have a decent 2.0ch system in there that really could do with a bit more bass extension. (Quad 12l bookshelf speakers, that reach around 45Hz.)

        • +1

          i'd think so, i'm in a similar situation and just ordered one.

        • +3

          A room that size wouldn't want a larger subwoofer. It would cause all kinds of phase distortion as the sound waves would be crashing all over themselves. This 8 would be much more suitable.

        • Small rooms dont do bass well. A 100hz wave is 3m long, frequencies where the room isn't large enoug (also in car audio) use something… direct coupling? its been a while…
          So, placement becomes ever more important. But don't expect to get big bass without some adjacent rooms getting more of it than you do…

  • +1

    Cheers OP great find been holding out for a 10s 2nd hand for a while, but at this price couldn't refuse the 8 and if I ever get a 10 cheap, should be able to sell the 8 for near the original purchase price :)

    Cheers

    • In theory the 10 will give twice as much bass.

  • +4

    What an ugly piece of hardware!

    • You should hold out until there is a deal on an attractive woofer.

      • Yep, that's what I'm doing.

    • +1

      It is ugly, but we are not buying this for looks but sound

  • +10

    I've had mine for a decade, fantastic speakers.
    https://imgur.com/a/pRFab

    • What device is that under the monitor?

        • Jesus, that thing's more expensive than the sub. Got any recommendations for one that costs significantly less?

        • @ChillBro:

          It depends on what you intend in inputting (instruments/microphones/DJ etc) and outputting (RCA or 1/4" and headphone out etc). The KA6 appears on Gumtree every so often, if I wanted the same functionality I would get the Focusrite 2i2 and if I was just after a USB to RCA DAC then maybe the Schiit Modi 2.

          I've had mine for about 5 years and prior to that was running a 3.5mm to RCA cable, so don't think it's essential (on board sound dependant).

    • Sweet setup. Hope your hearing is still OK.

    • +1

      I like your minimalist set up! Even your windows desktop looks clean lol

  • Grabbed one - thanks OP. Been looking for a smaller Sub for a compact office. This is one of those purchases that has me thinking price error… hopefully not the case as it seems to be half the price of elsewhere.

    • +1

      This is one of those purchases that has me thinking price error… hopefully not the case as it seems to be half the price of elsewhere.

      Don't worry, the $199 price is one of the banner images on their front page, so that's definitely the price. :)

  • +1

    What are some good monitors to go with this?

    • As a Newb I would also like to know this.

    • +3

      Really depends on your needs (e.g. How big is your room? What source do you want to be able to play it from?)

      Micca MB42x or the Pioneer BS22 speakers will run you roughly $100 and $150 respectively, the SMSL Q5 Pro Stereo Amp goes for about $100 and will power them in a reasonably large room. Has a sub out so you can connect the KRK to it.

      The SMSL has USB/AUX/Optical/Coax in so plenty of room for you to connect a source. Also serves as a DAC so audio processing is done by a much better chip than your phone/computer. Audio is clean up to 38-40w (out of 50w) output so plenty of headroom in a small to medium sized room.

      Nevertheless, a good bet is to check out your local op-shop or garage sale and see what they have. Have found excellent high-end older speakers and amplifiers for not a lot of money.

      Happy to explain more and provide recommendations if you shoot me a private message.

    • +4

      JBL LSR305's go alright, I had a pair

    • KRK Rokit 6 G3

    • How big is your listening area? How loud do you want it?
      I had KRK Rokit 5's, now Audioengine A2+, if you want more the Audioengine A5+ are also well liked.

  • Great for the price, have owned the 8s and 12s in the past. KRK is awesome with support, replaced the entire unit after the crossover failed.

    I would definitely consider giving this a miss though if you were thinking about using this in a larger room setting, say a living room. Although this is value for a desk/bedroom solution - it won't perform anywhere near a decent 10"/12" in terms of filling the room with tight, fast LF. Would definitely look into a second hand SVS or Q-Acoustics.

    • Seconded. 8 is too small for decent home theatre. Should be fine for music in a small room though.

  • +1

    What what I have read this size sub is great depending on your use. If your mixing music and that music does not require super low bass reproduction then this sub is great. Normally when doing this type of work the bass is not over powering but just represents what is happening with the track. If however you are planning on using it for movies or just to make your RnB shake the house down then the other posters are correct, you will need a bigger sub.

    • +1

      Agree, I personally want to have a true representation of lower-end (frequencies) pairing this with my monitors to enjoy my vinyls. 8S is perfectly (more than) enough for me and it is small enough. BTW, I don't want to shake the whole house and get my neighbors mad!

  • +3

    Damnit, I don't need this.

    Bought 1.

  • +2

    Thanks OP! Great deal :)

  • Can you run the L + R rca outputs from an interface to through this amp and then to your monitors? If so do they need to be powered or can they be passive?

    • To be specific, I'd like to use:

      This amp - https://www.amazon.com/SMSL-AD18-Bluetooth-Decoding-Amplifie…
      These passive speakers - https://www.amazon.com/Micca-MB42X-Bookshelf-Speakers-Tweete…
      in combination with the sub in this deal.

      Is that possible at all?

      • No need. The SMSL AD18 has direct LFE output that can go straight into the KRK via Optical 2 by using a split adapter.

        Probably could skip the interface altogether, the AD18 has a built in DAC and can run via SPDIF or USB straight to a digital source.

        • Thanks, I didn't see that it could do LFE output as well!

          Do you mind clarifying what you mean by a split adaptor? (3.5mm to white/red rca?)

        • @corbz:

          Yep, 3.5mm to RCA should do the trick. Can't remember if the LFE is on the white or red channel but it's definitely somewhere in the manual if memory serves right!

  • Gots one~ hopefully goes well with my little Kef Eggs

  • What would this be like compared to the Logitech Z5500's sub?

    • +5

      The KRK 8S is much cleaner, deeper and faster than the Z5500's sub.

  • Thanks! Got one to go with my KEF LS50’s.

    • +3

      Haha…sure

  • I have never use a subwoofer before. I am getting 1 for my Aktimate blue speaker that is hooked up with my TV and 1 for my Augioengine 5+ with my PC. Will see how it match up.

    I can't find any decent review on this subwoofer.

    • +1

      I have never use a subwoofer before.

      Oh boy, you're in for a treat! You'll never be able to go back to a system without a sub. :)

      • If I hooked the subwoofer up, will the Aktimate Blue power speaker pass all sub 100hz to the subwoofer?

        • Yes, the Blue has a dedicated subwoofer output which will send 200Hz and below to the sub.

        • @eug: noting the lack of mono inputs on the KRK 8s, where would the cable go?

        • @haru: I read that it can either go to the left or right and the speaker should work.

        • @haru: Just hook it up to either one of the channels. Subs like this are mono, and all the lows in a track would generally be in the centre (so the lows going to L and R would be the same).

  • -1

    Is this sub fully sikkkk?

    • -1

      I too have this legitimate question. Is it?

      • I did sum research n found dat dis sub is indeed fully in need of a medical checkup.

        No, Ive been reading around and still can't find out why this subwoofer is so incredibly cheap! Mk1 Mk2. Miniscule differences it must be. The cheapest studio subwoofer I could find is over 400. Really nice find. You are an asset to ozbargain. I really needed a sub for some time. This should fill my bedroom studio nicely.

      • +1

        No it's not. Only goes down to 35 Hz which is probably at -6 dB so it's not really even 35 Hz and it has high harmonic distortion at the quoted power output.

        It's not 'sub' bass it's just lower bass than smaller speakers than itself will produce.

        To me sub bass is less than 25Hz at -3dB. My true subwoofer does 20 Hz at -3dB.

        • I was close to pulling the trigger on this sub woofer before stubling across your comment here. Even though I don't know what you're saying is strictly true, it just rings true based on how much shitty bass I've heard coming out of speakers for similar reasons. Also why are they clearing them out for $200 if they're so great. Too good to be true? Even expensive speakers can be crap, what chance has this got. Was going to buy JBL LSR310S instead but the crossover options on it are shit and even though this minidsp thing I've got laying around could do the job, I bet it shits up the sound as well based on other speakers I've run through it. No idea what to get.

        • +2

          @pneumatic:

          Also why are they clearing them out for $200 if they're so great. Too good to be true?

          As mentioned in the deal post, there's a Mk2 model out, so that's probably why.

          It sounds like what you're after is a home theatre subwoofer to give sofa-shaking rumbling? If so, a studio subwoofer probably wouldn't satisfy you. This will give you nice, tight, fast lows that your existing smaller speakers would struggle to reproduce. It'll give nice thumps, but it won't be sofa-shaking like a home theatre subwoofer.

        • @eug:
          I'm after something to pair with modest 5" monitors which already go down to about 60hz, or 50hz if I sit in a particular chair. So it's $200 to get the 40-60hz range, and potential crossover distortion issues I'd probably have to spend hours tweaking due to my ~130hz allergy. Rather have something more controlled down to 30hz and at a low volume with a very controlled crossover. No need to shake the sofa.

        • -1

          plus it's ugly as (profanity)

        • With that frequency range, I'm finding it difficult to determine where it is supposed to sit. It doesn't go low enough to reproduce proper LFE channel in movie mixes, nor does it go high enough to take up the slack from small surrounds in the same application. So clearly this is not a sub for movies.

          As for music. That's questionable too with the THD figures. Maybe to fill the low end gap between 40~50 Hz and wherever your monitors cut out. Of course, decent monitors would go down to at least half point of this sub's range, but probably all the way.

          My sub was 16-200Hz before the subwoofer amplifier upgrade. After the amp upgrade (going from old school push-pull to class-D), it's 10-250Hz. It made a huge difference to both movies and music. Then again, just the class-D amp upgrade cost more than twice as much as this entire sub.

          I'm sure there are a few legitimate applications for this particular subwoofer, but for most people it's not a great choice. From that point of view, it may be $199 not well spent.

        • @peteru:

          How you compare the below 4 KRK subs then. The first 3 are well-reviewed and cannot get to the frequency you mentioned! I am not a pro but 8s specs ate not really off (compared to 10s).

          12sHO
          Frequency Response: 29.2Hz - 60Hz - 160Hz (L/R inputs), 29.1Hz - 211Hz (LFE input)
          Low Pass Frequency:60Hz to 160Hz
          Power Output:400 Watts Continuous @ 1% THD+N @ 100Hz

          12s
          Frequency Response: 29Hz - 97Hz
          Low Pass Frequency:55Hz to 170Hz
          Power Output:240 Watts Continuous @ 1% THD+N @ 100Hz

          10s
          Frequency Response:31Hz - 110Hz
          Low Pass Frequency: 50Hz to 130Hz
          Power Output:160 Watts Continuous @ 1% THD+N @ 44Hz

          8s
          Frequency Response: 35Hz-133Hz
          Low Pass Frequency:30Hz to 205Hz
          Power Output:109 Watts Continuous @ 1% THD+N @ 46Hz

        • +1

          @peteru:

          So clearly this is not a sub for movies.

          No, it's a studio sub.

          As for music. That's questionable too with the THD figures.

          Subwoofer distortion is different to amplifier distortion. For a sub, up to 10% THD is OK. The harmonics that a sub would produce is not in a particularly sensitive range of human hearing.

          https://hometheaterreview.com/why-subwoofer-distortion-is-di…

          Of course, decent monitors would go down to at least half point of this sub's range, but probably all the way.

          It's not just the frequency response that matters, what matters more is the attenuation within that frequency range. As mentioned in another post, the response of the KRK Rokit 6, at 35Hz, drops to -15dB. If you don't think that's a decent enough monitor, even the Genelec 8030C plunges after 60Hz. Genelec themselves sell subs as well.

          I'm sure there are a few legitimate applications for this particular subwoofer, but for most people it's not a great choice.

          What speakers do "most people" have that would not benefit from a sub?

  • Thanks OP, I was going to get the PSB SubSeries 100 for $400 but I couldn’t say no at this price!

  • Thanks OP. This will go well with my pair of KRK Rokit 6!

    • I have Rokit 6's too and I bought one. I'm just wondering about your thoughts on the sub only been 2 inches bigger than the monitors. How much more useful do you think it'd be when you add the sub into the setup?

      • frequencies are not determined by the driver size. porting or venting allows lower frequencies to be achieved, the box design is very important for Lowe's from smaller drivers, but also keeping even response across the range.

        • Ah okay! I know the two have a similar frequency response with the 6 inch monitors going down to 35Hz and the 8 inch sub goes down to 32Hz. Do you think it's an advantage to split it into a 2.1 system for 3Hz or is the advantage that the LR monitors have less low frequency work to do when there's a sub added? (I'm mainly speaking for a studio mixing purpose but also for general media playback too)

        • +2

          @obri95:

          Do you think it's an advantage to split it into a 2.1 system for 3Hz or is the advantage that the LR monitors have less low frequency work to do when there's a sub added?

          There's a bit more to frequency response than the figure manufacturers give. If you have a look at this frequency response graph of the Rokit 6 by, um, Gibson, you'll see that the frequency response plummets after 60Hz. At 35Hz it's around -15dB, which means while the speaker can technically reproduce 35Hz, it's not going to be very audible.

          To add to that, the Rokit 6's woofer is powered by a 48W amp, while this 8S sub has a 109W amp. You'll definitely get more thump down below with a sub.

        • +2

          @obri95: Are you doing EDM or bass heavy mixes? i would use IEM's / headphones for low frequency, a normal room is going to have a lot of boosts and cancellation of low frequencies. Bass is hard to tame, been there read a lot and forgot most of it by now…

          Spec's often dont tell the whole story, the roll off frequency is a number determined by the manufacturer, could be -6, could be -10 (you would hope not, but have seen it before).

          No magic bullet, if you got a sub you may find it very helpful or a waste. I like boosted bass and small speakers, so 2.1 is a no brainer for me.

        • +1

          @eug: Well there's something I didn't know! I appreciate the research, eug! Thanks for looking up the exact products I have!

        • @noone025: I dabble in hip-hop so when I'm listening to music I like it somewhat bass heavy but if I'm creating or mixing I want a true representation of audio. I guess I'll find out when I patch it in! Thanks for your help!

  • will this work with a pair of voll b44's and an SMSL SA-60?
    i'm not sure how the inputs and pluggs willl work

    • +1

      This would go in between your source and the amp.

      So [source] —> [sub] —> [SA-60] —> [B44].

      Only thing is, once you've set the balance between the sub and your amp, you'll have to adjust the volume at your source rather than the knob on the front of the SA-60.

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