KEF KASA 4-250M – Network DSP Installation Amplifier

The KEF KASA 4-250M is a high-performance 4-channel DSP installation amplifier featuring modern Class-D amplification and GaN FET technology. With 4 × 250 watts into 4 ohms, it offers ample power reserves for demanding speaker installations.

The integrated KEF Music Integrity Engine (MIE) enables precise digital signal processing and can specifically optimize compatible KEF speakers. Sources, volume, DSP settings, and various audio zones can be conveniently configured via the browser-based network control.

Thanks to four amplifier channels, multi-source/multi-zone capabilities, and extensive analog and digital connections, the KASA 4-250M is suitable for both demanding outdoor audio systems and high-quality indoor custom installations.

Design:
Network DSP installation amplifier

Channels:
4

Amplifier technology:
Class D with Advanced GaN FET

Output power:
4 × 250 W into 4 ohms

Output power:
4 × 125 W into 8 ohms

Bridged:
500 W into 4 ohms / 500 W into 8 ohms

Frequency response:
20 Hz – 20 kHz (-0.5 dB)
THD + Noise: < 0.008 %

Signal-to-noise ratio:
> 95 dB

Analog inputs:
4 × stereo RCA

Digital inputs:
4 × stereo, optical/coaxial

Analog pass-through outputs:
4 × stereo, buffered

Digital pass-through outputs:
optical/coaxial

Pre-out/subwoofer:
1 × stereo, selectable

DSP:
KEF Music Integrity Engine (MIE)

Network control:
browser-based user interface

Multi-source:
yes

Multi-zone:
yes

Cooling:
passive, silent cooling

Mains voltage:
100–240 V AC, 50/60 Hz

Standby consumption:
< 2 W

Power consumption:
1,500 W

Dimensions:
88 × 427 × 398 mm (H × W × D)

Dimensions with rack mounts:
88 × 481.9 × 430.5 mm

Weight:
8.2 kg

Herstellerangaben:

GP Acoustics (UK) Limited
Eccleston Road
Tovil, Maidstone
ME15 6QP , Kent
United Kingdom
info.uk@kef.com

Verantwortliche Person:

GP Acoustics GmbH
Nordhofstrasse 2
45127 , Food
Germany
info.de@kef.com