JL Audio Dominion d108-ASH Sealed Powered Subwoofer
890,00 €
The JL Audio Dominion d108-ASH is a sealed powered subwoofer for home audio systems. Its built-in amplifier delivers 500 W RMS of short-term power. Choose stereo or mono input through two RCA sockets or removable-plug speaker-level inputs. Automatic signal sensing controls the power mode, while adjustable level, low-pass filtering, phase and polarity help tailor the connection to your system.
The JL Audio Dominion d108-ASH is a powered subwoofer for a home audio system. Its sealed cabinet has a black ash finish and houses a built-in amplifier.
The amplifier delivers 500 W RMS of short-term power. Anechoic frequency response spans 31-112 Hz within ±1.5 dB, giving buyers a defined range for comparing subwoofers.
Home audio owners can choose a connection that matches their system’s outputs. The d108-ASH accepts stereo or mono signals through RCA sockets or speaker-level inputs.
Benefits
- Sealed cabinet – The Dominion d108-ASH uses an enclosed cabinet design.
- Automatic power mode – The subwoofer detects an incoming signal and controls its power mode accordingly.
- Flexible RCA connection – Two unbalanced RCA sockets accept either a stereo or mono signal.
- Speaker-level connection – A removable plug provides another way to connect stereo or mono audio.
- Adjustable level – The level control runs from full mute to 15 dB above reference gain.
- Adjustable low-pass filter – Set the filter between 25 and 130 Hz, or switch it off.
- Phase and polarity controls – Adjust phase from 0° to 280° and select 0° or 180° polarity.
Who Is This For?
The Dominion d108-ASH is designed for a home audio system needing a powered subwoofer. Its two input types accommodate systems with suitable RCA outputs or speaker-level outputs.
It also suits a setup where the low-pass filter needs to be bypassed. Input grounding can be set to isolated or grounded to match the chosen connection.
Technical Specifications
| Product type | Powered subwoofer for home audio |
|---|---|
| Cabinet type | Sealed |
| Finish | Black ash |
| Anechoic frequency response | 31-112 Hz (±1.5 dB) |
| -3 dB frequencies | 29 Hz and 119 Hz |
| -10 dB frequencies | 21 Hz and 143 Hz |
| Effective piston area | 32.18 sq in / 0.0208 m² |
| Effective displacement | 80 cu in / 1.3 L |
| Amplifier power | 500 W RMS, short-term |
| Power mode | Automatic signal sensing |
| Lighting modes | None |
| Unbalanced inputs | Two RCA sockets; stereo or mono |
| Balanced inputs | None |
| Speaker-level inputs | Removable plug; stereo or mono |
| Input grounding | Isolated or grounded |
| Input modes | None |
| Level control | Full mute to +15 dB above reference gain |
| Filter type | Low-pass |
| Filter slope | 24 dB per octave |
| Filter frequency range | 25-130 Hz |
| Filter bypass | Available |
| Polarity | 0° or 180° |
| Phase | Adjustable from 0° to 280°, referenced at 80 Hz |
| Infrasonic equalization | None |
| Line outputs | None |
| Secondary subwoofer output | None |
| Calibration mode | None |
| Width | 10 in / 254 mm |
| Height | 11.37 in / 289 mm, including feet |
| Depth | 13.23 in / 336 mm, including grille |
| Net weight | 26.4 lb / 12 kg |
Why Choose the Dominion d108-ASH?
The frequency figures include several measurement points. Response reaches 29 Hz and 119 Hz at -3 dB, then 21 Hz and 143 Hz at -10 dB. These figures make its stated range easier to compare with other subwoofer specifications.
Its cabinet measures 254 mm wide, 289 mm high and 336 mm deep. The height includes the feet, while the depth includes the grille. Those measurement details help when checking available space.
FAQ
Is the Dominion d108-ASH intended for a home audio system?
- Yes. It is a powered subwoofer designed for use in a home audio system.
Can I connect it to a home audio system with speaker-level outputs?
- Yes. Its speaker-level inputs use a removable plug and accept stereo or mono signals.
Does it need a separate amplifier?
- No. The d108-ASH has a built-in amplifier rated at 500 W RMS for short-term power.
Can I connect a mono signal through RCA?
- Yes. Its two unbalanced RCA sockets accept mono as well as stereo input.
Can the low-pass filter be disabled?
- Yes. The filter can be switched off when that connection does not require it.
How much phase adjustment is available?
- Phase adjusts from 0° to 280° at an 80 Hz reference frequency. Polarity has separate 0° and 180° settings.
Does it turn on when it detects audio?
- Its automatic power mode detects an incoming signal and uses that signal to control the power mode.
The JL Audio Dominion d108-ASH combines a sealed black ash cabinet with connection and adjustment options for home audio systems.
