JBL 308P-MKIII: deep bass for fuller productions

The JBL 308P-MKIII is an active 2-way 8-inch studio monitor designed for larger rooms and productions where low-frequency control is essential. It is the largest model in the 3 Series MKIII family and offers the greatest bass extension, down to 41 Hz (−10 dB), for working with electronic music, EDM, DJ productions, composition, and film content.

Its 203 mm woofer is paired with a 25 mm soft dome tweeter and achieves a maximum peak level of 113 dB SPL. When balancing a kick drum with a bassline or checking the weight of a soundtrack, this extension allows you to pay attention to the low-end content without losing sight of the stereo image and mix detail.

Key features of the JBL 308P-MKIII

203 mm woofer and 25 mm soft dome tweeter with a redesigned layout.

Bass extension down to 41 Hz (−10 dB) and a maximum peak level of 113 dB SPL.

JBL Image Control Waveguide for an accurate stereo image and wide listening area.

Front Slipstream port and 4 controls with 81 equalization combinations.

8 M4 mounting points with a 75 × 75 mm pattern for flexible installation.

What makes the JBL 308P-MKIII special?

It combines the series' greatest bass extension with features to adapt the listening experience to your room. Its four equalization controls offer 81 combinations to compensate for the monitors' placement, proximity to walls, and the balance of bass and treble. You can adjust the response without software or a complex switch configuration.

The JBL Image Control Waveguide optimizes off-axis response and maintains a wide, uniform listening area. This makes it easier to work with multiple screens or share the workstation without relying on a very limited position in front of the monitors. The redesigned woofer incorporates stiffer cone materials, a 20 oz magnet assembly, and an aluminum shorting ring to reduce distortion and increase the output level.

The front Slipstream bass reflex port contributes to clean, controlled bass, with a more predictable response on a desk or near a wall. The new amplifier provides a higher output level with less distortion and noise. The mounting points allow the monitor to be installed on a desk, on a wall, at height, or upside down, and the tonal consistency of the family makes it easy to expand a stereo system with a JBL subwoofer or move to a surround or immersive configuration.