Dynaudio 9S – Active Studio Subwoofer

The Dynaudio 9S is a compact yet powerful active subwoofer designed to extend the low-frequency performance of any professional monitoring system. Ideal for music production, mixing, and post-production environments, the 9S delivers clean, accurate bass response down to 22 Hz, ensuring you hear every detail of your low-end content with precision and control.

Equipped with a front-firing 9.5” long-throw driver and powered by a high-output 300W Class D amplifier, the Dynaudio 9S features a sealed cabinet design for tight, focused bass reproduction. The built-in crossover and phase controls allow seamless integration with a wide range of studio monitors — including Dynaudio’s LYD and BM series — while the compact footprint makes it a great fit for smaller studio spaces without compromising sound quality.

Key Features

Active studio subwoofer with sealed cabinet design
Front-firing 9.5″ long-throw woofer
300W Class D amplifier for high-efficiency performance
Frequency response down to 22 Hz (-6 dB)
Variable low-pass crossover and phase control
Balanced XLR and unbalanced RCA inputs and outputs
Compact footprint ideal for project and home studios
Designed and engineered in Denmark

Technical Specifications

Frequency Response: 22 Hz – 175 Hz (-6 dB)
Max SPL: 110 dB peak
Amplifier Power: 300W (Class D)
Driver: 9.5″ long-throw woofer
Inputs: XLR (balanced), RCA (unbalanced)
Outputs: XLR (balanced), RCA (unbalanced)
Cabinet Type: Sealed
Dimensions (W x H x D): 266 x 276 x 320 mm
Weight: 10.5 kg

Perfect For

The Dynaudio 9S is perfect for producers, engineers, and creators looking for precise low-frequency monitoring in a compact, studio-friendly form. Whether you’re working in music production, film scoring, or content creation, the 9S gives you the accurate bass response needed for confident mixing and mastering decisions.