Description
The Martin Audio SXP218 is a powerful dual-driver self-powered subwoofer designed for demanding touring, theatre, portable live sound, and premium installation applications. Featuring dual 18-inch long-excursion drivers, onboard Class D amplification, advanced DSP processing, and Dante networking, it delivers exceptional low-frequency extension, high output capability, and outstanding transient performance with minimal distortion.
More Information
Key Features
- Dual-driver direct-radiating powered subwoofer
- 2 × 18″ (460mm) long-excursion LF drivers
- 4″ (100mm) high-power voice coils
- Waterproof cones with triple-roll surrounds
- Built-in Class D amplifier module
- Integrated DSP processing
- Dante™ digital audio networking
- Peak output power of 4000W
- Frequency response down to 30Hz (-10dB)
- Omnidirectional or cardioid operation when paired
- Active presets for CDD-LIVE 8, 12 and 15 systems
- VU-Net software control via TCP/IP
- Tour-grade birch plywood enclosure
- Durable Polyurea coating
- M20 pole mount fitting
- Optional IP24 weather protection version
Technical Specifications
- Type: Dual-Driver Direct-Radiating Powered Subwoofer
- Frequency Response: 35Hz – 150Hz (±3dB), -10dB @ 30Hz
- Drivers: 2 × 18″ (460mm) / 4″ (100mm) Voice Coil, Ferrite Magnet, Waterproof Cone
- Input Sensitivity: -30dBu for 100dB SPL
- Maximum SPL: 140dB Continuous / 143dB Peak
- Dispersion: Omnidirectional or Cardioid (Paired)
- Power Output: 4000W Peak
- Amplifier Type: Dual 2-Channel Switch-Mode Class D, Bridged-Tied Load
- Average Efficiency: 89%
- Cooling: External Fan
- Maximum Ambient Temperature: 40°C (104°F)
- Audio Connectors:
- Female XLR Input
- Male XLR Link Output
- Dante Audio Neutrik® Ethercon
- Analogue Input Impedance: 20kΩ Balanced
- Maximum Analogue Input Level: +21dBu
- DSP Functions:
- Multi-Channel DSP
- PEQ & Shelving Filters
- Up to 48dB/Oct LPF
- Up to 200ms Input Delay
- Rear Panel Preset Selection
- Network Connectors: 2 × Neutrik® Ethercon RJ45
- Network Protocols: TCP/IP, UDP/IP
- Power Supply: Switch-Mode with PFC
- AC Operating Range: 85–265V AC, 50–60Hz
- Power Factor: >0.98
- Nominal Power Consumption: 550W
- Mains Connector: Neutrik® Powercon True1
- Enclosure: Extensively Braced Multi-Laminate Birch Plywood
- Finish: Durable Polyurea Coating
- Grille: Black Perforated Zintec Steel
- Mounting Hardware:
- 24 × M10 Mounting Points
- 16 × M8 Inserts for Optional Castors
- M20 Pole Mount Insert
- 4 × Bar Handles
- Base Skids with Mating Channels
- Transit Cover Mounting Points
- IP Rating: Optional IP24 Factory Version
- Dimensions (W × H × D):
- 1085 × 537 × 792 mm
- 1085 × 537 × 920 mm (With Castors)
- Weight:
- 101.5 kg (Without Castors)
- 105 kg (With Castors)
