Key facts
- Brand
- KEF
- Model
- HTB2SE
- Category
- Other
- Industry
- Electronics
- Documents
- 2
- Languages
- EN
- Last added
- 2012-03-12
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KEF HTB2SE-W Wireless Subwoofer Installation Guide
This guide explains how to install the KEF HTB2SE-W powered subwoofer safely and correctly. It includes multilingual safety warnings, wiring diagrams, and a description of the rear‑panel controls.
Key sections cover important safety instructions, connection options (wired and wireless), power requirements, and the full technical specifications of the subwoofer and its built‑in transmitter. Following the guide ensures reliable performance and compliance with FCC regulations.
KEF HTB2SE specifications
| Type | Powered Subwoofer |
|---|---|
| Drive Unit | 1 x 250 mm (10 in.) + 1 x 250 mm (10 in.) ABR |
| Frequency Range | 30 – 150 Hz |
| Amplifier Power | 250 W built‑in Class‑D |
| Maximum SPL | 110 dB |
| Low Pass Filter | Fixed 150 Hz, 4th‑order |
| Input | RCA phono socket (low‑level signal) |
| Enclosure Type | Passive radiator |
| Internal Volume | 15 L |
| Net Weight | 11.9 kg (26.2 lb) |
| Dimensions (vertical) | 390 × 440 × 195 mm (15.3 × 17.3 × 7.6 in.) |
| Power Requirements | 100 – 240 V AC, 50/60 Hz |
| Power Consumption | 250 VA |
| Finish | High Gloss Black |
| Wireless Range (typical) | 25 m (27.3 yd) |
All KEF HTB2SE documents by type
Mounting, wiring and first power-up. Read it before the hardware goes in.
Questions answered in these manuals
What voltage range can the KEF HTB2SE‑W subwoofer accept?
It can be connected to any mains supply between 100 V and 240 V AC at 50 Hz or 60 Hz.
How should the subwoofer be powered to avoid electric shock?
Use the supplied polarized plug, ensure the mains voltage matches the rating on the rear panel, and do not open the enclosure; service should be performed by qualified personnel.
How much power does the built‑in amplifier provide?
It contains a 250 W class D built‑in amplifier.
What input voltage can the subwoofer be connected to?
The unit accepts 100 – 240 V AC at 50 – 60 Hz.