NEXO RS18 Sub Bass Loudspeaker

Deliver deep, room-shaking lows with the NEXO LS1200—an 18″ passive subwoofer engineered for professional touring and installations. Its custom long-excursion driver and band-pass enclosure design deliver up to 135 dB SPL @ 1 m, yet require only one unit to power two NEXO PS15 tops—saving stage space and rig-up time. Built for rugged use, the LS1200 pairs exclusively with NEXO controllers (PS15 TD MkII analogue or NX242/NXAMP digital) to engage its active 80 Hz high-pass/low-pass crossover and ensure coherent, punchy bass reinforcement2.

Key Features

• 18″ Long-Excursion Driver: Custom 18″/46 cm woofer for powerful, accurate low frequencies.

• Professional Band-Pass Design: Delivers coherent 30 Hz–120 Hz (±3 dB) output; usable down to 29 Hz (–6 dB).

• High Output & Efficiency: Sensitivity of 102 dB SPL (1 W/1 m) and peak levels up to 135 dB SPL without coloration.

• Robust Power Handling: 600 W RMS continuous, 1 200 W peak; recommended amplification of 800–1 200 W into 4 Ω for optimal performance.

• Passive Impedance Matching: 4 Ω nominal impedance; no onboard amplification.

• Speakon Connectivity: Dual NL4MP connectors (Input/Through) for daisy-chaining tops and subs.

• Rugged Enclosure: Baltic-birch ply cabinet with textured black finish, recessed handles, and optional flying points—built to withstand heavy touring demands.

• Pole-Mountable: Integrated 35 mm stand fitting enables PS15 or GEO S12 pole-mounting for flexible deployment.

Technical Specifications

• Frequency Response (±3 dB): 30 Hz – 120 Hz

• Usable Range (–6 dB): 29 Hz – 130 Hz

• Sensitivity: 102 dB SPL (1 W/1 m)

• Maximum SPL: 135 dB peak @ 1 m

• Power Handling: 600 W RMS / 1 200 W peak

• Nominal Impedance: 4 Ω

• Connectors: 2 × NL4MP Speakon (Input/Through)

• Crossover: Active 80 Hz via NEXO controller

• Dimensions (H × W × D): 515 × 791 × 597 mm (20.3″ × 31.1″ × 23.5″)

• Weight: 45 kg (99 lb) net