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Key Features
  • MASSIVE POWER: Powered by a built-in Class-D amplifier, the subwoofer handles 800 watts RMS / 1600 watts (8-ohm) peak power and generates punchy and tight bass
  • VERSATILE INPUT OUTPUT CONNECTIONS: Easy to integrate this stage subwoofer with your PA rig. It has 2 XLR-1/4“ combo inputs, 2 XLR outputs with built-in active crossover and provides high-pass filtered outputs for full-range loudspeakers, and provides great connection flexibility. The 35mm pole mount socket accommodates a satellite speaker for optimal full-range PA performance
  • HIGH-PERFORMANCE AND LIGHTWEIGHT: The Class-D amplifier efficiently provides enormous power without weighing you down. Thanks to the Class-D topology, the high-output 18” PA subwoofer is powerful and lightweight
  • TOP-QUALITY COMPONENTS: The PA subwoofer comes with a top-quality 18” woofer and 4“ voice coil. It handles massive power and generates earth shaking bass. The high-quality 5/8” birch plywood enclosure is designed to resist distortion at high output levels and provide punchy and focused bass
  • STURDY CONSTRUCTION: With heavy-duty metal grille and sturdy construction, it holds up to touring applications. Its light weight, compact size form factor and two recessing ergonomic handles make it easy to transport
The ASTONE OBERON-18SPW packs concert-quality sound into a compact-size, lightweight and easy to use active PA subwoofer. Its powerful and efficient class-D amplifier pumps up to 1600 watts through a high-quality transducer, providing punchy bass and earthshaking output. It handles 800W RMS and 1600W peak output and reproduces low frequencies all the way down to 35Hz. With top-quality components built in and innovative technology engineered, the ASTONE OBERON-18SPW subwoofer is second to none if you want to maximize your performance with top notch sound quality and best-in-class features.Its rugged wood enclosure damps out unwanted distortion even at extreme output level and endures the rigors of touring. It has 2 XLR-1/4“ combo inputs, 2 XLR outputs with built-in active crossover and provides high-pass filtered outputs for full-range loudspeakers, and provides great connection flexibility. It also features a standard pole-socket and so you can mount a main speaker on the top.A larger voice coil is equivalent to better control over the speaker cone, improved damping and enhanced linearity. While it makes the subwoofer more difficult to assemble, it helps generate thumping bass and add serious low-end frequencies to the subwoofer. The ASTONE OBERON-18SPW sub uses a top-quality 4” voice coil which has superb power-handling capabilities and delivers punchy tight bass.The subwoofer also comes with metal grille and black texture finish. Its sturdy construction holds up to touring applications and is great for either permanent or mobile installations. Its superb sound quality, lightweight and compact-size form factor make it perfect for any PA application, such as DJs, clubs, weddings, school and church events, to name a few.


Active / Passive Active
Frequency Range 30 Hz - 180 Hz
Frequency Response 35 Hz - 180 Hz
Sensitivity 98 dB
SPL Max 124 dB
Dispersion --
Configuration 18" active class-D subwoofer w/ built-in crossover
Transducer LF: 1 x 18", HF: --
Voice Coil 4"
Magnet 100 oz
Power Handling 800W RMS / 1600W Peak
Enclosure Material High-grade 100% birch plywood
Mounting 35mm mounting socket on the top
Finish Texture coating
Grill & Rigging Component Steel with anti-corrosion coat
Amplifier Class-D
Input 2 x XLR-1/4" combo
Output 2 x XLR (thru/ high pass switchable)
Signal Processing Yes
Control Level, Phase, Xover, Output Mode
Indicator Signal, Limit, Power
Voltage 100V-240V (50-60 Hz)
Plate Amp Part# STPAS-G1DSP
Low Frequency Woofer Parts# STLF-1804-8

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