Description
The Martin Audio SX112 is an ultra-compact direct-radiating subwoofer designed to extend low-frequency performance and increase the headroom of full-range loudspeaker systems. Featuring a highly efficient 12-inch long-throw bass driver with a powerful 3-inch voice coil, the SX112 delivers deep, impactful bass from a compact enclosure. Its generously sized reflex ports minimize air noise while maintaining high-output performance, making it an excellent choice for both portable and installed sound reinforcement applications.
More Information
Key Features
- Ultra-compact direct-radiating subwoofer
- Single 12-inch long-throw low-frequency driver
- High-power 3-inch voice coil
- Water-resistant cone for enhanced durability
- Large reflex ports for reduced air noise
- High-output low-frequency performance
- Compact enclosure for flexible deployment
- Available in black or white finish options
- Integrated flying points for installation applications
- Durable plywood construction
- Designed to complement full-range loudspeaker systems
- Suitable for both portable and fixed installations
Technical Specifications
- Type: Compact Single-Driver Direct-Radiating Subwoofer
- Frequency Response: 48Hz – 150Hz (±3dB), -10dB @ 35Hz
- Driver: 12″ (300mm) long-excursion driver with 3″ (75mm) voice coil
- Cone Type: Waterproof Cone
- Magnet Type: Ferrite
- Power Handling: 400W AES, 1600W Peak
- Sensitivity: 100dB
- Maximum SPL: 126dB Continuous, 132dB Peak (Half Space)
- Nominal Impedance: 8 Ohms
- Dispersion: Omnidirectional
- Crossover: 80Hz – 120Hz Active
- Enclosure Volume: 52 Litres
- Enclosure Material: Plywood
- Finish: Black or White Textured Paint
- Grille: Black or White Perforated Steel
- Connectors: 2 × NL4
- Pin Connections: Input+, Input -, Link -, Link+
- Mounting Points: 12 × M10 Inserts
- Dimensions (W × H × D): 487 × 390 × 410 mm
- Weight: 21.5 kg






