ZETHUS-218SPW | ZETHUS Series Dual 18“ Powered 3200W Line Array Subwoofer w/ DSP, 2-Channel Class-D Amplifier, Black







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The Sound Town ZETHUS Series ZETHUS-218SPW is a high-performance powered line array subwoofer with two 18" low-frequency drivers with 4" voice coils that deliver an impressive 1600W continuous and 3200W peak power. Equipped with a 2-channel high-power class-D amplifier, each channel provides 800W continuous and 1600W peak power, and the two woofers are powered separately (bi-amped). It ensures a more powerful and dynamic bass and unmatched sound quality.
The ZETHUS-218SPW subwoofer resides in a birch plywood enclosure, reinforced by an anti-corrosion steel grille and a durable textured coating. Seamlessly integrate it with the ZETHUS-210BPW to achieve accurate and immersive sound performance (The ZETHUS-SF1 mounting frame is required for stacking the ZETHUS-210BPW on top and is available separately). For increased versatility, the ZETHUS-218SPW subwoofer is designed for ground/stacking use in the most demanding touring or concert applications. The ZSCB-218S caster board (sold separately) makes ground stacking and transportation hassle-free, making it an ideal choice for mobile setups. Perfect for stages, bars, ballrooms, restaurants, houses of worship, convention centers, and more.
- MASSIVE POWER AND SUPERIOR BASS: The ZETHUS-218SPW 2x18" powered line array subwoofer delivers rich and solid low-frequency reinforcement with its impressive 1600W continuous, 3200W peak power handling capability. Equipped with a built-in class-D amplifier, dual top-quality 18" woofers with 4" voice coil, it ensures powerful and incredible extended low frequency response.
- DUAL CHANNEL BI-AMP: Equipped with a high power 2-channel amplifier, the two 18" woofers are powered separately (bi-amped) and unleash 800W continuous, 1600W peak power each channel (8Ω). Prepare for deep, punchy, and immersive bass like never before.
- BUILT TO ENDURE: Housed in a top-quality multi-layer birch plywood enclosure with an anti-corrosion 14-gauge steel grille and a durable textured coating, the ZETHUS-218SPW is built to last and withstand a lifetime hard tour use.
- SEAMLESS INTEGRATION: When integrated with the ZETHUS-210BPW full range line array (available separately), the line array speaker system delivers accurate and immersive sound performance at earth shaking volume. (The ZETHUS-SF1 mounting frame is required for stacking the ZETHUS-210BPW on top and is available separately.)
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VERSATILE PERFORMANCE: For increased versatility, the ZETHUS-218SPW subwoofer is designed for ground/stacking use in the most demanding touring or concert applications. The ZSCB-218S caster board (sold separately) makes ground stacking and transportation hassle-free, making it an ideal choice for mobile setups. Perfect for stages, bars, ballrooms, restaurants, houses of worship, convention centers and more
Specifications
Model | ZETHUS-218SPW |
Active / Passive | Active |
Frequency Range | -- |
Frequency Response | 32 Hz - 180 Hz |
Sensitivity | 104 dB |
SPL Max | 135 dB |
Dispersion | Omnidirectional |
Configuration | Dual 18" active line array subwoofer |
Transducer | LF: 2 x 18" woofer, HF: -- |
Impedance | 2 x 8Ω Nominal (bi-amp) |
Power Handling | 1600W RMS / 3200W Peak |
Enclosure Material | High-grade 100% birch plywood |
Mounting Hardware | Integrated line array hardware |
Finish | Texture coating |
Grill & Rigging Component | Steel with anti-corrosion coat |
Amplifier | Class-D amplifier (2-channel bi-amped) |
Input | 2 x 1/4" & XLR combo |
Output | 2 x XLR line out |
Signal Processing | -- |
Control | Volume, polarity, LPF |
Indicator | -- |
Voltage | Neutrik PowerCON in & out 100V-240V (50-60 Hz) |
Caster Board Model# | ZSCB-218S |
Dimension & Weight
Product Width (in.) |
45.3" |
Package Width (in.) | 50.8" |
Product Height (in.) | 21.7" | Package Height (in.) | 28.1" |
Product Depth (in.) | 30.6" | Package Depth (in.) | 36.2" |
Product Weight (lb.) | 222.0 lbs | Package Weight (lb.) | 251.5 lbs |
Warranty/Certifications
Manufacturer Warranty | 1 Year |