JBL 308P MkII - Powered 8" Two-Way Studio Monitor

Model: 308P MKII

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MSRP: $249.00 ?


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Packaging Info

Package Weight 21.68 lb
Box Dimensions (LxWxH) 19 x 13 x 13"

General Information

Magnetic Shielding Yes
Input Sensitivity 92 dB at 3.3' / 1 m (-10 dBV input)
Power Configurations Bi-amplified
HF Driver Power Amp 56 W, Class-D
LF Driver Power Amp 56 W, Class-D
Frequency Response 45 Hz to 20 kHz (±3 dB)
Frequency Range 37 Hz to 24 kHz (-10 dB)
Low Frequency Extension 37 Hz
SPL Continuous: 102 dB
Peak: 112 dB
Maximum Input Maximum Peak Input Level (-10 dBV / +4 dBu): +6 dBV / +20.3 dBu
THD System Distortion Criteria: <10% THD at maximum output with full compressor / limiter engagement
Electrical Distortion Criteria: 0.2% THD @ 1 kHz / 2.83 VRMS output; <1% THD @ 1 kHz, full rated output
Drivers LF Driver: 8.0" / 203.2 mm
HF Driver: 1.0" / 25.4 mm
HF Driver Type: Soft dome
Dispersion H x V: 120° x 90°
Inputs 1 x XLR female (balanced)
1 x TRS female (balanced)
HF Trim Control -2 dB, 0 dB, +2 dB
Equalization Boundary EQ:
LF Shelf at 50 Hz: -3 dB, -1.5 dB, 0 dB
Enclosure Type Ported
Construction Material MDF: 0.6" / 15.0 mm
Finish Matte black PVC
Baffle Injection-molded structural ABS
Power 100 to 240 VAC (±10%), 50 / 60 Hz
Dimensions (H x W x D) 16.5 x 10.0 x 12.1" / 419.1 x 254.0 x 307.3 mm
Weight 17.9 lb / 8.1 kg
Signal to Noise Ratio 75 dBA (A-weighted), 70 dBr (unweighted), relative to 2.83 VRMS output
Crossover 1800 Hz 4th order acoustic Linkwitz-Riley
Expert Reviews
Musician s friend.34752239
18 May 2022

This 8" powered studio monitor is a great fit for a project or home studio. With an 8" low-frequency transducer outputting solid mids and bass, and a 1" high-frequency transducer, broadcasting clear highs, you'll benefit from balanced accurate audio for mixing, mastering and production.

Mix online.32834353
30 October 2018

An Upgrade to One of the Best Values on the Monitor Market

  • +

    Exceptional value. Tight, contained sound reproduction. Smooth integration between lows and highs. Above-average image consistency around the listening area. Detented volume control. Boundary EQ provides more attenuation choices than previous LF Trim. Input Sensitivity switch.

  • -

    I can see the 308P MkIIs being popular not only in home studios but in professional production facilities that need multiple monitors for multichannel setups, as well as college production departments that have to outfit a lot of rooms.

User Reviews
19 December 2021

It is said that “You are as good as the tools you work with” and I couldn’t be happier with these monitors.As a passion, I do remix work in my home studio and for the first time I am able to listen to my projects and hear amazing sounds I didn’t hear before.

24 July 2022

I upgraded from 4 inch pioneer monitors to 8 inch JBLs and it's hard to explain how much better they sound. It's a total night and day difference and I'm excited to get the subwoofer next!

  • +

    Excellent Craftsmanship, Great Intonation, Great Sound

14 April 2020

Monitors should be neutral, of course, but good ones, these included, allow a good degree of control over just how neutral they are. Overall, I find these a bit bright, but in sum fairly balanced.

  • +

    Excellent price, good range of options in matching tone to particular studio acoustics, good stereo imaging, quiet, and they can get loud.

  • -

    A bit bright, but I think a little more tweaking will yield exactly what I'm looking for.

6 February 2023

I purchased these for my little home studio but they have a BIG sound!! Very good balance. The bass is outstanding! Definitely amazing quality for the price. Hands down great studio monitors!

15 April 2019

Great sound quality nice balance of highs midrange and lows.

16 December 2019

I bought to produce my songs and I know I have a pair of the best monitors I could buy in its price range and even more expensive ones would not be as suitable for my needs (EDM/Urban).

1 October 2022

Very dynamic nice sounding subwoofer with crispy sound and deep bass

  • +

    Has a quite hissing sound when not playing

  • -

    Hits hard

6 January 2022

When I turned on the system in my studio, I played a reggae track and the fullness of these MK 8's was incredible. I've only had them a couple of months but hip-hop/rap, R&B, pop, it doesn't matter They bang. Great purchase! Wish I got them sooner!!

1 April 2021

I was definitely surprised by the quality of a JBL monitor but it has been a great investment!

14 May 2020

I bought these a few weeks ago, and these have to be the best bang for the buck. The sound even across frequencies, bottom end is tight for a small near field, quiet operation, and light! I’m very satisfied, and would absolutely recommend!

Product Highlights
  • Bi-Amplified Powered Reference Monitor
  • Dual 56W Class-D Amplifiers
  • Low Frequency Woofer: 8"
  • Neodymium Woven-Composite Tweeter: 1"
  • Image Control Waveguide Technology
  • Balanced XLR & 1/4" TRS Inputs
  • 3-Position HF Trim Switch
  • Boundary EQ for Placement Near Walls
  • Slip Stream Low Frequency Port Design
  • Selectable Input Sensitivity Switch
In The Box
  • JBL 308P MkII - Powered 8" Two-Way Studio Monitor
  • Power Cord
  • Limited 2-Year Warranty
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