ADAM Audio SUB2100 - 21.5" Active Studio Subwoofer

ADAM Audio SUB2100 - 21.5" Active Studio Subwoofer

The ADAM Audio SUB2100 is a large-format active subwoofer, specifically designed for professional studios and large control rooms. It incorporates a 21.5″ woofer with a massive 6″ voice coil, mounted in a bass-reflex enclosure optimized to reproduce ultra-low frequencies down to 18 Hz with exceptional linearity and control. With 1,000 W RMS of PWM amplification and an efficiency of 99 dB/W/m, the SUB2100 achieves peak SPLs of ≥ 128 dB without significant compression, setting a world standard in subwoofer performance.

Main features

• 21.5″ woofer with reinforced paper cone and 150 mm (6″) voice coil.
• 1,000W RMS (1,200W peak) PWM amplifier for powerful bass without distortion.
• Frequency response : 18 Hz – 150 Hz.
• Dual-port bass-reflex for optimized airflow and minimal port noise.
• Efficiency : 99 dB/W/m, ideal for SPL peaks of ≥ 128 dB.
• Connectivity : 2× balanced XLR, 1× stereo RCA in, 2× XLR sat out, 1× RCA sat out.

Benefits

• Deep, defined bass for mixing and mastering.
• Integrated phase control and high-pass filters.
• Robust construction for continuous professional use.

Use cases

• Large recording and post-production studios.
• Multimedia control rooms and auditoriums.
• High-fidelity home theater systems.

Frequently Asked Questions

• What is the minimum frequency range? Up to 18 Hz.
• Does it require acoustic treatment? It is recommended to control low-frequency resonances.
• How to integrate it with ADAM monitors? Use the crossover and phase controls on the rear panel.

Description for projects

Active subwoofer with 21.5″ woofer and 6″ voice coil, 1,000 W RMS PWM amplifier (1,200 W peak), 18 Hz–150 Hz response, max. SPL ≥ 128 dB, XLR/RCA connections, dual-port bass-reflex enclosure.