Behringer B1800XP 18" Active PA Subwoofer with Built-In Stereo Crossover

The Behringer B1800XP is a high-performance powered PA subwoofer designed to deliver deep, impactful low-frequency reinforcement for live sound systems, DJs, and professional audio installations. Built around a powerful 18-inch Turbosound driver and a 3000-watt Class-D amplifier, the B1800XP produces exceptional bass output while maintaining efficient power consumption and lightweight operation.

Designed for professional sound reinforcement, the integrated active stereo crossover allows seamless integration with full-range loudspeakers. Adjustable high-cut filtering, switchable bass boost, and phase control provide precise system tuning to match a wide variety of PA configurations and venue acoustics.

The rugged cabinet construction, steel grille protection, and ergonomic carrying handles make the B1800XP ideal for both portable and installed sound systems. With powerful output, intelligent protection circuits, and flexible control options, it provides reliable low-frequency performance for demanding live environments.

Key Features

• High-Power Subwoofer: 3000-watt powered subwoofer designed for professional PA applications
• Turbosound 18-Inch Driver: British-engineered Turbosound loudspeaker delivers powerful and accurate bass
• High Sound Pressure Level: Designed for extremely high SPL with precise low-frequency reproduction
• Class-D Amplifier: Efficient amplifier design provides high power with low weight and reduced heat
• Integrated Stereo Crossover: Built-in crossover with high-pass outputs for connecting full-range speakers
• Bass Boost and Phase Control: Tunable bass boost and phase switch allow optimized low-frequency performance
• Variable High-Cut Filter: Adjustable high-cut control ensures proper alignment with main speakers
• System Monitoring: Power, signal, and clip LEDs provide clear operational status indicators
• Smart Limiter Protection: Intelligent limiter protects the woofer while maintaining performance
• Durable Construction: Rugged steel grille and strong enclosure protect internal components
• Portable Design: Ergonomic carrying handles and pole socket for mounting spacer poles

Technical Specifications

Amplifier
Maximum Output Power: 3000 W
Type: Class-D

Audio Inputs
Input A / B: XLR, servo-balanced
Sensitivity: +4 dBu @ 0 dB (center position) for full rated power
Max Input: +22 dBu, balanced, <=1% THD+N
Input Impedance: 12 kΩ unbalanced, 24 kΩ balanced

Audio Outputs
Thru A / B: XLR, servo-balanced
Output A / B: XLR, servo-balanced
High-Pass Filter: 100 Hz, Butterworth, 18 dB slope

Controls
Level: -∞ to +6 dB
Boost Frequency: 40 Hz – 90 Hz, +10 dB
Boost: Switchable
High Cut: 70 – 150 Hz, Butterworth, 24 dB slope

System Data
Frequency Range: 32 Hz – 200 Hz (-10 dB)
Frequency Response: 40 Hz – 150 Hz (+/-3 dB)
Signal-to-Noise:>100 dB (A-weighted)
Maximum SPL: 129 dB @ 1 m
Woofer: 8"
Limiter: Optical

Indicators
Signal LED: Green
Limit LED: Red
Power LED: Amber

Circuit Protection
Amplifier Protection: Full short circuit, thermal protection
Load Protection: Turn-on/off muting

Power Supply
USA / Canada / Japan: 100–120 V~, 50/60 Hz (T 15 A H 250 V)
UK / Australia / Europe / Korea / China: 220–240 V~, 50/60 Hz (T 10 A H 250 V)
Power Consumption @ 1/8 Rated Power: 180 W
Mains Connection: Standard IEC receptacle

Dimensions (H × W × D)
704 × 549 × 554 mm
27.7 × 21.6 × 21.8"

Weight
44.9 kg (98.9 lbs)