Proel Sound Systems S18A Aktiver Subwoofer

Proel Sound Systems S18A Active Subwoofer – Low-Frequency Power in a Compact Design

The Proel S18A Active Subwoofer is part of PROEL’s powerful and affordably priced S Series. Designed as the ideal complement to the company’s full-range speakers, the S18A delivers rich, precise, and powerful bass—all in a compact, road-ready design. Whether for live music, DJ events, installations, or mobile PA systems—the S18A offers a powerful low-frequency solution with high efficiency and practical features.

The innovative Hybrid Bandpass (HBP) design, combined with a high-performance 18"-woofer featuring a 4"-voice coil, ensures maximum energy efficiency, reduced air resistance, and minimal distortion —for a clean, deep, and powerful bass response. Ideal for professional applications with high demands on sound quality and performance.

Hybrid Bandpass Technology – More Pressure, Less Distortion

Compared to conventional front-firing subwoofers, the Proel S18A’s HBP design offers a decisive advantage: Controlled airflow within the enclosure increases efficiency, reduces air turbulence, and produces tight, defined bass—even at high volumes. The 18-inch driver, featuring a robust 4-inch voice coil, delivers impressive low-frequency reserves and high dynamics, making it ideal for modern music productions.

With a frequency response ranging from 36 Hz to 140 Hz, the S18A confidently covers the entire sub-bass range. The maximum sound pressure level of 131 dB provides ample headroom for medium to large sound reinforcement environments—powerful, yet always controlled.

Powerful Electronics with Intuitive Controls

At the heart of the S18A is a highly efficient Class D amplifier with 600 W RMS and 1200 W peak power, powered by a modern switching power supply (SMPS) that ensures low weight, reliability, and energy efficiency. The built-in stereo preamp section allows for easy integration into any PA configuration.

Users can adjust all key parameters via the intuitively designed control panel on the rear panel:

• Volume control for level adjustment
• Phase switch for phase correction (+/-180°)
• X-Over Frequency for selecting the crossover frequency
• Ground-lift switch for ground isolation to prevent ground loops

Practical design for mobile use

The Proel S18A was developed for demanding applications: Its enclosure is made of 15/18 mm thick plywood and features a durable black polyurethane coating. A sturdy 1.5 mm steel grille protects the speaker, while two side handles make transport easier.

Four sturdy 75-mm casters (included) ensure maximum mobility and are ideal for stages, clubs, or event venues. An integrated M20 tripod mount allows for direct mounting of a satellite speaker—perfect for 2.1 setups with a compact footprint.

Conclusion: Powerful, well-designed, mobile

With the Proel S18A active subwoofer, PROEL expands its speaker portfolio with an extremely powerful, efficient, and yet attractively priced subwoofer system. Its hybrid bandpass design, professional features, and flexible configurability make it the ideal low-frequency solution for DJs, bands, event organizers, and rental services. Anyone looking for rich, deep bass in a compact format will find the S18A to be the perfect choice.

Features:

• Compact active HBP subwoofer
• 18" woofer with 4" voice coil for deep and extended frequency response
• 1200 W peak power (600 W RMS)
• Frequency response: 36 Hz – 140 Hz
• Maximum sound pressure level (SPL): 131 dB
• Hybrid bandpass enclosure design for increased efficiency and reduced distortion
• Stereo inputs and outputs (2 x NEUTRIK COMBO IN, 2 x XLR-M OUT, 2 x LINK XLR-M)
• Controls for volume, crossover frequency, phase, and ground lift
• Power supply: 230 V or 120 V AC, 50/60 Hz
• Enclosure made of 15/18 mm plywood with black scratch-resistant finish
• 1.5 mm metal grille
• 2 side carrying handles
• 1 x M20 pole socket for speaker stand
• 4 x 75 mm casters for easy transport
• Dimensions (W x H x D): 508 x 630 x 645 mm (745 mm with casters)
• Weight: 36 kg

Specs:

• Power: 600 W
• Housing Material: Wood
• Pole Mount: no
• Woofer: 1 x 18
• Set Offer: no
• Type: Subwoofer
• Theme: PA and Sonication

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