Hybrid LB15 MKIII 15″ Passive Subwoofer

The Hybrid LB15 MKIII is a durable and efficient 15-inch passive subwoofer designed to deliver strong low-frequency reinforcement for portable PA systems, churches, DJs, schools, venues, and rental companies. As the MKIII revision, it offers improved driver performance, stronger cabinet construction, and tighter, more controlled bass output compared to earlier models.

This subwoofer is ideal for boosting low-end response in full-range setups using Hybrid PLB, PB, PM, or similar passive top speakers.

Key Features

• MKIII upgraded version with improved low-frequency output

• 15-inch high-efficiency subwoofer driver

• Strong bass reinforcement for small to medium PA systems

• Durable wooden enclosure (most MKIII units)

• Steel grille for driver protection

• Speakon input/output connectors

• Integrated top pole mount for pairing with satellite speakers

• Suitable for DJs, churches, halls, schools, pubs, and rental companies

Technical Specifications

(Approximate typical Hybrid LB15 MKIII values — can be matched exactly if you send a box photo)

Driver Size: 15 inches
Power Handling (RMS): approx. 300–400 W
Program Power: approx. 600–800 W
Peak Power: approx. 1200–1600 W
Nominal Impedance: 8 ohm
Frequency Response: approx. 40 Hz – 200 Hz
Sensitivity: approx. 95–98 dB (1W/1m)
Inputs/Outputs: Speakon NL4 connectors
Cabinet Material: Wood (painted finish), MKIII reinforced
Pole Mount: 35 mm top mount
Grille: Steel, powder-coated