The SP118/115 are high output subwoofers for high SPL sound reinforcement applications. The SP118/115 are designed with a 400 watt 18/15 inch woofer. The SP118/115 are designed to connect as a passive satellite to one of ISP Technologies Active Series Subwoofer Systems SA118 or SA115 that incorporates a High Current D-CAT power amplifier system capable of producing upwards of 900 watts RMS.

The SP118/115 has a single Speakon connector for connection to an Active Series subwoofer. The SP118/115 subwoofer cabinet is made of high quality 13 ply Baltic birch plywood with a durable spray on black finish for long life.
 

• 900 Watt RMS D-CAT power amplification (w/SA 118)
• 18 inch woofer with 4 inch voice coil
• 13-ply Baltic Birch cabinet
• Weight: 85lbs
• Dimensions: 24W x 32.5H x 20D
• Stereo input with stereo full range and high-pass crossover outputs

SP 115 Passive Subwoofer - Technical Specifications

• 900 Watt RMS D-CAT power amplification (w/SA 115)
• 15 inch woofer with 4 inch voice coil
• 13-ply Baltic Birch cabinet
• Weight: 75lbs
• Dimensions: 20W x 24H x 19D
• Stereo input with stereo full range and high-pass crossover outputs