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JBL

(2) JBL 308P MkII 8" 2-Way Active Powered Studio Reference Monitors Speakers

  • Based on 183 reviews
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Availability: In Stock.
Fulfilled by Kellards
Arrives Friday, Oct 16
Order within 21 hours and 20 minutes
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Size: 308P MKII


Features

  • MkII series features next-generation JBL transducers, new Boundary EQ, and a sleek new design
  • Updated HF and LF transducers: new design improvements result in optimized damping for superior transient response and impressive deep bass with lower harmonic distortion
  • New boundary EQ: restores neutral low frequency response when speakers are placed on the work surface and adjacent to walls
  • Sleek, modern design provides a dramatic flair to any studio
  • Broad sweet spot: neutral frequency response across a wide area allows you to fine-tune your mix even while listening off-axis

Description

The next-generation JBL 308P MkII powered studio monitor makes legendary JBL performance available to every studio. With the revolutionary JBL Image Control Waveguide and refined transducers, JBL 308P MkII offers stunning detail, precise imaging, a wide sweet spot and impressive dynamic range that enhances the critical listening capabilities of any modern workspace. Specifications Powered: Yes LF Driver Size: 8" LF Driver Power: 56W, Class-D HF Driver Size: 1" HF Driver Power: 56W, Class-D HF Driver Type: Soft Dome Crossover: 1800Hz 4th order acoustic Linkwitz-Riley Power Configuration: Bi- amplified Frequency Response (±3 dB): 45Hz-20kHz Frequency Range (-10dB): 37Hz-24kHz Low Frequency Extension (-10db): 37Hz Maximum Continuous SPL: 102dB Maximum Peak SPL: 112dB Maximum Peak Input Level (-10dBV / +4dBu): +6dBV / +20.3dBu System Distortion: <10% THD at maximum output Electrical Distortion: 0.2% THD @ 1kHz / 2.83VRMS output; <1% THD @ 1kHz Signal to Noise Ratio: 75dBA (A-Weighted), 70dBr (unweighted), relative to 2.83VRMS output Coverage H x V: 120° x 90° Analog Input Types: 1 x XLR female, 1 x TRS female, balanced HF Trim Control: -2dB, 0dB, +2dB Boundary EQ: LF Shelf @ 50Hz Enclosure Type: Ported Enclosure Construction: 15mm MDF Finish: Matte Black PVC Baffle: Injection-molded structural ABS Height: 16.5" Width: 10" Depth: 12.1" Weight: 17.87 lbs. Includes JBL 308P MkII Powered Studio Monitor (2) JBL Power Cord (2) JBL Peel-off Runner Pads (8) JBL Setup Guide (2) JBL 2-Year Warranty.

Brand: JBL


Speaker Maximum Output Power: 112 watts


Frequency Response: 20000 hertz


Connectivity Technology: XLR


Audio Output Mode: Stereo


Audio Output Mode: Stereo


Mounting Type: Wall Mount


Enclosure Material: Rubber


Speaker Type: Monitor


Additional Features: Bass Boost


Antenna Location: For Surround Sound Systems


Subwoofer Diameter: 8 inches


Color: Black


Is Waterproof: FALSE


Warranty Type: Limited


Control Method: Touch


Speaker Size: 8 inches


Woofer Diameter: 8 inches


Tweeter Diameter: 2.54 centimeters


Water Resistance Level: Not Water Resistant


Specific Uses For Product: Studio Monitoring


Battery Average Life: 100 hours


Controller Type: Corded Electric


Frequency Response: 20000 hertz


Number of Audio Channels: 2


Connectivity Technology: XLR


Wireless Technology: Bluetooth


Subwoofer Connectivity Technology: Wired


Connectivity Protocol: Bluetooth


Brand: JBL


Model Number: 308PMKII


Model Name: Studio


Built-In Media: JBL 308PMKII 8" Powered Studio Reference Monitor Monitoring Speakers


Warranty Description: 1 Year Manufacturer


Number of Items: 2


Customer Package Type: Standard Packaging


Series Number: 308


Manufacturer: JBL Professional


Age Range Description: Adult


Speaker Maximum Output Power: 112 watts


Input Voltage: 240 volts


Number of Power Levels: 1


Unit Count: 1 Count


Item Dimensions D x W x H: 10"D x 12"W x 17"H


Item Weight: 17.9 pounds


Compatible Devices: Potential compatibility with some Consumer Devices, Professional Audio Equipment


Compatible with Vehicle Type: Car


Audio Driver Type: Dynamic Driver


Audio Driver Size: 8 inches


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Friday, Oct 16

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • Great Value Monitors
Size: 308P MKII
For the money, I can't imagine anyone getting more at this price range. The speakers have a balanced sound and just sound great. I don't have any doubts in my mixes when I work on these. I've seen confusion in reviews as to whether a subwoofer is needed or not. It's my assumption based on what was stated they might be first time purchasers. The bass is really punchy and clear with detail, but you'll need to supplement the low end with bass you feel with -- a subwoofer. You can still hear sounds down to the 40-50hz range, but to feel the sub-bass in your chest you'll need a subwoofer to even out the experience. If I crank up the volume on the JBL's the bass can get close to my subwoofer. However, accuracy is important here, not volume. I'm on a budget so I was able to cheat and use a Y cable to route the the L/R audio from my Focusrite to my old subwoofer. In the future I'll be looking to upgrade and drop the splitter. Reviewers mentioned a hissing sound in the speakers, in my experience I never noticed it over the slight hum of my computer unless I position my ears less than 12" from the speaker. The speakers are without a doubt sufficiently loud. I had to set the volume at 12 o'clock on the speakers, and the same position with my Focusrite. The sound filled the room entirely. One thing to keep in mind these are rear-port firing speakers. So you'll need to treat your room properly for these to work at their best for you. If that's not an immediate option you can use the Trim feature to overcome the bass bleeding through. This seems to be the issue I saw with inexperienced reviewers who were critical of clarity. One aspect that seems to get overlooked is stereo imaging. When I listen to Micket Hart - Udu Chant you can visualize the entire sound stage. The song also makes great use of panning effects which these JBL's do a good job projecting. You can almost follow the sound heard in the intro with your eyes. If you're either a first time studio monitor buyer, or looking to own some in this price range you wont be disappointed in how these perform. Excellent speakers! I'd recommend all future purchasers and current owners to check out the AudioCheck website. They have really great ways to test your speakers! ... show more
Reviewed in the United States on December 13, 2019 by SDee
    • Great sound quality...
Size: 308P MKII
The hubby loved his gift. Perfect for home gatherings!
Reviewed in the United States on May 1, 2026 by gelicaxg
    • Sounds great.
Size: 308P MKII
Nice sound, decent bass. Still bought a subwoofer to supplement. Using the setup for my digital piano, and as studio monitors. sounds amazing. Also use it as a sound system for my PC. Great all around, no complaints. Only thing Im not really fond of is the plastic covering. Its the type of plastic that gets micro scratches incredibly easily, even when wiping with a simple soft cloth. You need to use a very fine micro fiber cloth to clean. And they are dust magnets, due to the static cling. However, not a major issue overall. Just not how I would have designed these things. ... show more
Reviewed in the United States on April 6, 2025 by Robertoid
    • Son lo que son unas bestias sonoras
Size: 308P MKII
Son lo que son unas bestias sonoras por supuesto para mí y para muchos, tienden a dar más bajo y brillo que la competencia, claro está no son speaker para solo escuchar música, más bien para escuchar la realidad de lo que haces en producción
Reviewed in the United States on January 9, 2026 by L
    • Not awesome but nice sound. In teh 1980's JBL dominated the "California Sound" AFAIR.
Size: 308P MKII
i had to flip the high-end switch to -10 db to get them listenable as near field monitors. if it was possible i would rather NOT have the bi-amps inside because i miss out on the vintage sound from a Nacamichi amp. Note that These must go through a mixing board of some sort in order to modify the volume without doing it manually every time on each speaker. I suppose this makes a very technically flat frequency response at many volume levels. I love JBL but these are not impressive like my 4312 monitors were in the 1980s, and its not just nostalgia. ... show more
Reviewed in the United States on April 8, 2026 by jeffrey strom
    • Great sound! Just buy them!
Size: 308P MKII
Great sound!
Reviewed in the United States on December 23, 2025 by Geronimo Andrews
    • Very disappointed.
Size: 308P MKII
I bought the pair of 8" JBL 308p mkii speakers. Plugged them in and nothing happened. No sound! Tried XLR and 1/4 input cable and nothing! Adjust the input sensitivity on the back and nothing! Adjust the Boundary EQ, and nothing! Adjust HF Trim and nothing! Adjust multiple settings tried a mixing board and nothing. Was a Waste of my time! This was my first disappointment interaction with JBL products. This caused a delay with my customer who was furious with me. Smh. ... show more
Reviewed in the United States on September 5, 2024 by dre
    • Full accurate sound.
Size: 308P MKII
These speakers sound amazing! The soundstage is incredibly clear. It sounds like things are moving around the room. The only speakers I’ve ever heard that can reproduce sound anything like this are the kali audio speakers (also amazing). The lows are sharp, full and punchy when they are suppose to be, and they can rumble as if there were a Sub when there isn’t. The mids and highs are super accurate. Most speakers you can hear the left and right, you know exactly where the sound is coming from. With these I can clearly hear sounds coming from places I know there’s no speakers and it’s amazing. I have them running from an smsl su-8 dac with optical cable from the tv. It’s simple, but it sounds like a full surround sound system. Super happy with my purchase. ... show more
Reviewed in the United States on March 13, 2021 by Dave C. Brzezicki

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