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 mix capabilities of any modern workspace. Leveraging patented technologies derived from the JBL 7 Series and M2 Master Reference Monitors and sporting a sleek, modern design, JBL 308P MkII delivers outstanding performance and an enjoyable mix experience at an accessible price.
Features:
- Patented Image Control Waveguide for detailed imaging and a broad, room-friendly sweet spot
- Next-generation JBL transducers for optimized transient response and improved linearity
- Patented Slip StreamT low-frequency port for superior bass performance at all playback levels
- Dual integrated, custom Class-D amplifiers provide 112 watts of power for high output and dynamic range
- New Boundary EQ settings compensate for low frequency variants introduced by the environment
- HF Trim switch adjusts high-frequency output to room acoustics or personal preferences
- Flexible connectivity with balanced XLR and 1/4″ TRS inputs, +4dBu / -10dBV input-sensitivity switch and adjustable volume control
- Engineered to JBL Linear Spatial Reference design criteria for outstanding accuracy in any working space
- Strenuous JBL 100-hour full-power test ensures years of reliability
- Sleek, modern design provides a visual upgrade to any studio
Specifications:
- LF Driver Size: 203mm (8″)
- HF Driver Size: 25mm (1″)
- HF Driver Type: Soft dome
- Crossover: 1800Hz 4th order acoustic Linkwitz-Riley
- Input Sensitivity (-10dBV Input): 92dB / 1m
- Power Configuration: Bi-amplified
- HF Driver Power Amp: 56W, Class-D
- LF Driver Power Amp: 56W, Class-D
- Frequency Response (±3dB): 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 Criteria: <10% THD at maximum output with full compressor / limiter engagement
- Electrical Distortion Criteria: 0.2% THD @ 1kHz / 2.83VRMS output; <1% THD @ 1kHz, full rated output
- Signal to Noise Ratio: 75dBA (A-Weighted), 70dBr (unweighted), relative to 2.83VRMS output
- Coverage (Horizontal x Vertical): 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: -3dB, -1.5dB, 0dB
- AC Input Voltage: 100 – 240VAC (±10%), 50 / 60Hz
- Enclosure Type: Ported
- Enclosure Construction: 15mm MDF
- Enclosure Finish: Matte black PVC
- Baffle Construction: Injection-molded structural ABS
- Cabinet Dimensions (H x W x D): 419 x 254 x 308mm (16.5″ x 10″ x 12.1″)
- Display Carton (H x W x D): 473 x 312 x 358mm (18.6″ x 12.3″ x 14″)
- Shipping Carton (H x W x D): 491 x 326 x 372mm (19.3″ x 12.8″ x 14.6″)
- Net Weight: 8.1 kg (17.87 lbs)
- Shipping Gross Weight: 9.4 kg (20.73 lbs)


Douglas R. (verified owner) –
Went ahead and got this for a few weeks now and the craftsmanship on this is incredible. You can tell a lot of thought went into the design. Two thumbs up!
E. L. (verified owner) –
Would not recommend. Complete waste of money in my opinion.
Frances Martinez –
Got this after doing some research and really good quality. Only minor complaint is it took a bit longer to ship than expected. Very pleased.
proelite105 (verified owner) –
The concept is good but the execution is lacking. Needs improvement.
C. H. –
Bought this after doing some research and exceptional! The build quality is impressive and it does everything it’s supposed to do and more. A+ purchase.
Lisa (verified owner) –
Finally got this based on a recommendation and the materials used are top-notch. Very impressed with the overall build quality. Very pleased.
Joseph J. (verified owner) –
Went ahead and got this after seeing the reviews and best purchase I’ve made in a long time. The quality is outstanding and it works exactly as described.
Linda –
Poor quality and poor performance. I regret buying this.
New User –
This JBL 308P MkII Powered 8-Inch Two-Way Studio Monitor is a game changer. I’m impressed! The quality is superb and it arrived faster than expected. Will definitely buy again. Very pleased.
Aaron Stewart (verified owner) –
Decided to try this and happy with this purchase. It’s well-made and functional. Just shy of perfect.
Verified Client –
Really impressed overall. One star off because the setup was a bit complicated. The JBL 308P MkII Powered 8-Inch Two-Way Studio Monitor has been fantastic so far.
mary2024 –
Have been using this for my a project and very happy with this purchase. Just wish it came with a few more accessories. Would definitely recommend!