JBL 308P MKIII Powered 8-inch Two-Way Studio Monitor - Single

The JBL 308P MkIII Powered Studio Monitor delivers detailed, accurate sound for music production, mixing, post-production and content creation. Combining an 8-inch low-frequency driver, a high-performance silk dome tweeter, patented acoustic technologies and intelligent DSP room optimisation, it provides extended bass response, precise stereo imaging and the dynamic range needed for demanding studio environments.

JBL's patented Image Control Waveguide delivers consistent 120° x 90° coverage for accurate imaging across a wide listening area, while the Slipstream port supports clean, controlled bass. With a frequency range of 41Hz–40kHz (-10dB), the 308P MkIII reproduces deep low frequencies and fine high-frequency detail for critical listening and confident mix decisions.

The bi-amplified 110-watt Class D system delivers up to 113dB peak SPL with low noise and ample headroom. Four onboard DSP controls provide 81 configurable room-tuning combinations to help optimise performance for desktop, stand or wall placement. Finished in matte black, the monitor also features top and bottom mounting points for flexible studio installation.

Features

• Powered two-way studio monitor with an 8-inch low-frequency driver
• 1-inch high-performance silk dome tweeter
• JBL patented Image Control Waveguide for precise stereo imaging
• Wide 120° x 90° horizontal and vertical coverage
• Redesigned low-frequency driver for controlled bass and reduced distortion
• Patented Slipstream port for clean, accurate bass with reduced port noise
• Frequency range of 41Hz–40kHz (-10dB)
• Bi-amplified 110-watt Class D amplification: 55W LF and 55W HF
• Maximum peak SPL of 113dB
• DSP room optimisation with 81 configurable room-tuning combinations
• Four onboard DSP controls for placement and frequency-response adjustments
• HF adjustment at 3kHz and LF adjustment at 300Hz
• One balanced Neutrik combo input
• Top and bottom M4 mounting points with a 75 x 75mm VESA pattern
• Matte black finish
• Sold individually

Specs

• Brand: JBL
• Model: 308P MkIII
• Product Type: Powered Studio Monitor
• Configuration: Two-Way, Bi-Amplified
• Quantity: Single Monitor
• Low-Frequency Driver Size: 8" (203mm)
• High-Frequency Driver Size: 1" (25mm)
• High-Frequency Driver Type: Soft Dome
• Crossover Frequency: 1960Hz
• Frequency Response (±3dB): 49Hz–27kHz
• Frequency Range (-10dB): 41Hz–40kHz
• Low-Frequency Extension (-10dB): 41Hz
• Power Configuration: Bi-Amplified
• Total Amplification: 110W Class D
• Low-Frequency Amplifier: 55W Class D
• High-Frequency Amplifier: 55W Class D
• Maximum RMS SPL: 101dB
• Maximum Peak SPL: 113dB
• Input Sensitivity (-10dBV Input): 92dB / 1m
• Maximum Peak Input Level (-10dBV / +4dBu): +7dBV / +21dBu
• Coverage (Horizontal x Vertical): 120° x 90°
• Analogue Inputs: 1 x Balanced Neutrik Combo
• Input Impedance: 20kΩ
• Signal-to-Noise Ratio: 83dB, A-weighted, relative to 1W output
• HF Adjustment: 3kHz High Shelf, -2dB / 0dB / +2dB
• LF Adjustment: 300Hz Low Shelf, -2dB / 0dB / +2dB
• DSP Room Tuning: 81 Configurable Combinations
• Sample Rate: 192kHz
• System Distortion Criteria: Less than 10% THD at maximum output with full compressor/limiter engagement
• Electrical Distortion Criteria: Less than 0.1% THD at 1W output; less than 1% THD at full rated output
• AC Input Voltage: 100–240VAC (±10%), 50/60Hz
• Magnetically Sensitive Equipment Compatibility: Yes
• Enclosure Type: Ported
• Enclosure Construction: 15mm MDF
• Enclosure Finish: Matte Black PVC
• Baffle Construction: Injection-Moulded Structural ABS, UL 94 V-0
• Rear Panel Construction: 2mm SPCC
• Mounting Points: M4 x 8 (4 on top, 4 on bottom), 75 x 75mm VESA Pattern
• Cabinet Dimensions (H x W x D): 444 x 249 x 296mm (17.5 x 9.8 x 11.7")
• Net Weight: 8.8kg (19.4lb)
• Shipping Gross Weight: 12.0kg (26.3lb)
• Colour: Matte Black