This document is the installation manual for the HTB2SE-W wireless subwoofer, which provides installation methods and precautions for the product.
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.
| 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) |
It can be connected to any mains supply between 100 V and 240 V AC at 50 Hz or 60 Hz.
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.
The transmitter typically reaches up to 25 m (27.3 yd) under normal conditions.