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KEF - BTS30 - Bluetooth Keypad and Amplifier
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Overview
The KEF BTS30 is a two-part in-wall audio system made up of a wall-mounted Bluetooth keypad and a compact Class D amplifier. It drives a pair of speakers in stereo, or a single speaker in bridged mono, and its line output can feed amplifiers and systems in other rooms. It is suited to homes, hotels, bathrooms and kitchens.
KEF designed the BTS30 to partner its E, C, Q and T Series in-wall and in-ceiling speakers with woofers up to 160mm. Sources include Bluetooth aptX streaming and a TV or other component connected by analogue, coaxial or optical input.
Keypad and Control
- Four button keypad with LED indicators in a 45 x 45mm Euro module
- Buttons for volume up, volume down and mute, source selection (TV) and Bluetooth pairing
- IP64 rated keypad for bathroom installation
- Pairs with up to 8 Bluetooth devices, with a range of 10 m
- Adjustable maximum volume limit
Amplifier and Installation
- Class D amplifier: KEF rates it at 2 x 15W into 8 ohms in stereo or 30W into 4 ohms in mono
- Selectable stereo or mono output
- Bluetooth 4.2 with Qualcomm aptX, plus line-in, coaxial and optical inputs
- Line output for expansion into additional amplifiers and rooms
- Keypad and amplifier connect via RJ45 twisted pair cable up to 20 m
- UL2043 approved amplifier unit for installation in air handling spaces
- Speaker output short circuit protection
In the Box
- BTS30 amplifier unit
- BTS30 keypad unit
- Keypad cover frame and metal mounting frame
- Power cable
- Plug-in terminal block connectors (3)
- Mounting brackets (2)
- Screws (6)
- Documentation
- Contents vary by region; RJ45, speaker and audio cables not included
Specifications
| Model | BTS30 |
| System | Wall-mount Bluetooth keypad unit and compact Class D amplifier unit |
| Inputs | Bluetooth 4.2 with Qualcomm aptX codec, line-in, coaxial, optical |
| Outputs | Stereo mode 2 x 15W at 8 ohms; mono mode 30W at 4 ohms; line out |
| Frequency response | 20Hz to 20kHz |
| EQ | 100Hz +6dB, 10kHz -1dB |
| Signal to noise ratio | 90dB |
| Speaker output short circuit protection | Yes |
| Bluetooth range | 10 m |
| Bluetooth capacity | 8 devices |
| Bluetooth frequency | 2.4GHz |
| Bluetooth power | 2.5mW (Class 2) |
| Keypad to amplifier connection | RJ45 terminated twisted pair cable, up to 20 m (cable not included) |
| Keypad rating | IP64 |
| Amplifier rating | UL2043 approved for air handling spaces |
| Amplifier unit dimensions (H x W x D) | 45 x 143 x 125 mm |
| Keypad unit dimensions (H x W x D) | 45 x 45 x 40 mm |
| Metal frame dimensions (H x W x D) | 1 x 71 x 71 mm |
| Weight | Amplifier unit 530 g; keypad unit 40 g; metal frame 28 g |
| Finish | Black amplifier; white and silver keypad |
| Unit | Sold individually (one keypad and one amplifier) |