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

Model #308P MKII

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MSRP: $275.00 ?


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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
User Reviews
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).

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.

American musical.34136908
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!!

9 July 2019

Good Sound, quality, comfort & Bass. The best speaker ever I have.

American musical.34136908
11 August 2021

high freq gives off constant hiss when volume is up. Annoying when mixing. Low freq were great. Not muddy at all as I had heard. Great for the price, but I the Kali Audio monitors I paid less for sound much better...sorry.. Check these out though if you're interested.

13 July 2020

Excellent studio monitors. They are larger than expected, so I would advise using them in a mid to large studio vs in a desktop application (unless your desk is very large). Soundstage and audio accuracy are excellent. They come with power cords, but no other cords so plan accordingly. Recommended.

American musical.34136908
27 February 2021

I'm sure there are better monitors out there, but for way for money. For me, these are my second pair of monitors, and I'm blown away at the sound quality. I have them together with the 10" sub and OMG, better than I anticipated. If you're on the fence about buying these, you better buy these..

10 June 2019

These are powerful, and compact! I have older JBL monitors from many years ago, which were like a piece of furniture. The were probably from the 80's, and still work! A great product! My wife did not like them any more, so I got these, which are smaller, powerful, and more modern.

American musical.34136908
27 August 2021

If you are looking for a good set of speakers jbl 308 I upgraded from jbl 306 the 308 have a beautiful flat response to them when mixing add the jbl sub to this or any of the jbl line you will not be disappointed

American musical.34136908
9 January 2021

These monitors are great, I was undecided between these and the 5in at first but I’m glad I chose the 8in ..Good clear sounding bass... Next I plan to still add the 5in and a subwoofer ,then I think my home setup will be complete but who knows..

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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