Description
The Martin Audio SX215 is a high-output dual-driver direct-radiating subwoofer engineered to deliver exceptional low-frequency extension, impact, and efficiency from a remarkably compact enclosure. Featuring two long-excursion 15-inch drivers with water-resistant cones and triple-roll surrounds, the SX215 produces powerful, controlled bass suitable for demanding live sound and installation environments. Its eight large reflex ports maximize low-frequency efficiency while minimizing port turbulence and air noise, ensuring clean and dynamic bass performance even at extreme output levels.
More Information
Key Features
- High-performance dual-driver direct-radiating subwoofer
- Twin 15-inch long-excursion low-frequency drivers
- High-power 4-inch voice coils
- Water-resistant cones with triple-roll surrounds
- Exceptional low-frequency extension and impact
- Eight large reflex ports for reduced air noise
- High-output compact enclosure design
- Suitable for omnidirectional or cardioid deployment
- Durable construction for touring and installation applications
- Optimized for professional sound reinforcement systems
- Excellent efficiency and headroom
- Designed for high-SPL applications
Technical Specifications
- Type: Dual-Driver Direct-Radiating Subwoofer
- Crossover Frequency: 100Hz
- Frequency Response: 45Hz – 100Hz (±3dB), -10dB @ 36Hz
- Drivers: 2 × 15″ LF Drivers with 4″ Voice Coils and Ferrite Motors
- Sensitivity: 103dB (1W/1m Half Space)
- Nominal Impedance: 4 Ohms
- Power Handling: 1600W AES, 6400W Peak
- Maximum SPL:
- 135dB Continuous
- 141dB Peak
- 147dB Peak (Crest Factor 4)
- Dispersion: Omnidirectional or Cardioid (when paired)
- Connectors: 2 × NL4
- Input Pin Connections: 1+/1-
- Link Pin Connections: 1+/- and 2+/-
- Dimensions (W × H × D): 961 × 463 × 679 mm
- Depth with Castors: 807 mm
- Weight: 64 kg
