Dynaudio
Dynaudio 18S
Best high-performance subwoofer for professional studio and home theater setups.
Immerse yourself in profound bass with this active subwoofer, engineered for exceptional low-frequency extension down to 16 Hz. Its robust 500W Class-D amplifier powers dual 9.5-inch long-throw woofers, delivering precise and potent sound. Seamless integration is achieved through flexible XLR and RCA connectivity, complemented by advanced DSP with user presets and adjustable crossover filtering. This versatile subwoofer also features a master/slave function for linking units and an integrated LCD screen for effortless monitoring, making it an ideal choice for demanding audio setups.
$1399.00
Owner Satisfaction
4.7
/ 5
Category Rank
868
/ 10749
#868 in Speakers
Price vs Category Average
-4%
Below average
Power Output
500
/ W
Who it's for
- Dynaudio monitor users seeking seamless system integration
- Professional mixers requiring precise and fast low-frequency monitoring
- Studio engineers building complex, scalable multi-subwoofer setups
Who should skip it
- Budget-conscious producers working with limited equipment funds
- Home studio owners with restricted floor space
- Producers working in untreated or small acoustic spaces
Performance breakdown
Sub-bass extension
Reaches an impressive 16 Hz for deep, cinematic low-frequency impact.
Output power
The 500W Class-D amplifier delivers substantial headroom for demanding audio setups.
Driver precision
Dual long-throw woofers provide tight, controlled bass without unwanted resonance.
System integration
Advanced DSP and flexible connectivity make matching this sub effortless.
Control interface
Integrated LCD screen simplifies monitoring and fine-tuning your crossover settings.
Scalability
Master/slave functionality allows for easy expansion in larger listening environments.
Key Specs
Power Output
500 W
Frequency Range
16 Hz – 230 Hz (+/- 3 dB)
Drivers
2x 9.5" (24 cm) long-throw woofers
Amplifier Type
Class-D
Maximum SPL (1m)
110 dB
Crossover Frequency
50 - 150 Hz adjustable low pass filter
Dimensions (W x D x H)
470 x 268 x 333 mm
Weight
20.5 kg
Know before you buy
The 18S is rated for a frequency extension down to 16 Hz. This allows it to reproduce the deepest sub-bass frequencies found in cinematic scores and electronic music with significant authority.
Yes, the 18S features both XLR and RCA inputs, making it compatible with a wide range of professional studio monitors, preamps, and home audio receivers.
The master/slave function allows you to daisy-chain multiple 18S units together. When linked, the master unit controls the settings for all connected subwoofers, ensuring consistent performance across your entire low-frequency setup.
You can fine-tune the crossover frequency between 50 Hz and 150 Hz using the built-in DSP menu. The integrated LCD screen makes it easy to monitor and adjust these settings precisely to match your main speakers.
While the 18S is powerful with 500W of amplification, its dual 9.5-inch driver configuration is designed to be compact enough for professional environments where space is at a premium but high-impact bass is required.
Yes, the 18S features an auto on/off function that detects audio signals, helping to conserve energy when the system is idle.
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