Audibax Pro Columbia 15S 15" Passive Subwoofer (600 W RMS, 8 Ω, 127 dB)

Audibax Pro Columbia 15S 15" Passive Subwoofer (600 W RMS, 8 Ω, 127 dB)

The Audibax Pro Columbia 15S is a high-performance passive subwoofer designed to provide a firm and powerful bass foundation in professional PA systems. It features a 15" woofer with a 3" voice coil and delivers 600 W RMS (up to 1200 W peak ), with a sensitivity of 96 dB (1 W/1 m) and a maximum SPL of 127 dB . Its usable response of 45 Hz to 120 Hz provides punch and low frequency extension for live events, fixed installations and rental applications.

The enclosure features a 36mm top pole socket and 4-pole Speakon input connectivity with link connectors, facilitating wiring with standard power amplifiers and satellite stacking. The chassis is constructed from black-finished plywood with IP50 protection , designed for intensive use. Measuring 58 x 54.8 x 43 cm (L x W x H) and weighing 26.5 kg , it integrates easily into 2.1/2.2 configurations or as subwoofer reinforcement in larger systems.

Main features

• LF Transducer : 15" with 3" coil .
• Admissible power : 600 W RMS / 1200 W peak .
• Performance : 96 dB (1 W/1 m) and max SPL 127 dB .
• Frequency response : 45 Hz – 120 Hz .
• Nominal impedance : 8 Ω .
• Connectivity : 4-pole Speakon with link connectors for parallel connection.
• Mounting : 36mm socket for pole.
• Construction : plywood enclosure, black finish, IP50 .
• Dimensions and weight : 58 × 54.8 × 43 cm (L × W × H), 26.5 kg .

Product benefits

• Deep, controlled bass : The 15" driver and high admissible loading ensure consistent punch and coverage.
• Easy integration : 8 Ω impedance and 4-pin Speakon connectors for working with standard power amplifiers and parallel wiring.
• Optimized mounting : 36mm base to elevate satellites and reduce floor space.
• Professional reliability : plywood enclosure, durable finish and IP50 rating for continuous use on-air and in installations.

Use cases

• Live Events : Subwoofer reinforcement for bands, DJs, and shows.
• Fixed facilities : multipurpose rooms, clubs, sports and hospitality spaces.
• Rental companies : 2.1/2.2 modular configuration and expansion of existing systems.

Description for projects

15" passive subwoofer ( 3" voice coil ), 600 W RMS / 1200 W peak , 96 dB (1 W/1 m), max. SPL 127 dB , 45–120 Hz , 8 Ω ; 4-pole Speakon connectivity with link connectors; 36 mm pole socket ; plywood enclosure, IP50 ; dimensions 58 × 54.8 × 43 cm (L × W × H); weight 26.5 kg . Manual included.