Overview:
The QSC CS15-NA is a compact active 15-inch subwoofer designed to deliver powerful, articulate low-frequency reinforcement for DJs, mobile entertainers, musicians, houses of worship, event production professionals, and installed sound applications. As part of the QSC CS Series, the CS15 combines premium bass performance, lightweight portability, and simple plug-and-play operation in a rugged, road-ready enclosure.
Powered by a 2600W peak Class D amplifier, the CS15 delivers high output with exceptional efficiency while offering advanced features including Bluetooth® audio streaming with True Wireless Stereo (TWS), wireless control via the QSC Loudspeaker Control App, DEEP™ low-frequency enhancement, and Cardioid deployment presets for improved low-frequency directivity.
Features:
15-inch direct-radiating active subwoofer design
2600W peak Class D amplifier with universal power supply
Bluetooth® audio streaming with True Wireless Stereo (TWS) capability
Wireless system control via the QSC Loudspeaker Control App
DEEP™ preset for enhanced low-frequency extension and impact
Cardioid deployment preset for improved bass directionality (requires a minimum of two subwoofers)
Rugged painted birch plywood enclosure for durability
Intuitive rear-panel controls with LED status indicators
Two XLR/TRS combo inputs for flexible connectivity
Loop-thru and post-DSP XLR outputs
M20 threaded speaker pole mount
Lightweight design for easy transport and deployment
Backed by a 6-year warranty when registered within 30 days of purchase
Specs:
| Configuration | Direct Radiating |
| LF Transducer | 15" Cone Driver |
| Amplifier | Class D, 2600W Peak |
| Maximum SPL | 133 dB |
| Frequency Response (-6 dB) | 47 Hz - 100 Hz (DEEP: 44 Hz - 100 Hz) |
| Frequency Range (-10 dB) | 43 Hz - 108 Hz (DEEP: 39 Hz - 100 Hz) |
| Coverage Pattern | Omni-Directional or Cardioid Radiation Modes |
| Bluetooth | Bluetooth® Audio with True Wireless Stereo (TWS) |
| Mobile App Control | QSC Loudspeaker Control App |
| Cooling | Convection Cooled |
| Inputs | 2 x Locking XLR/F-1/4" Combo Inputs |
| Outputs | 2 x XLR/M (1 Loop-Thru, 1 Post-DSP Output) |
| Power Input | 100-240 VAC, 50-60 Hz Universal Power Supply |
| Enclosure | 12-15 mm Birch Plywood |
| Grille | 16-Gauge Powder-Coated Steel |
| Finish | Black (RAL 9011) |
| Dimensions (H × W × D) | 23.1" x 17.7" x 20.4" |
| Net Weight | 58.7 lb |
| Shipping Dimensions (H × W × D) | 22.5" x 20.5" x 25.6" |
| Shipping Weight | 70.7 lb |