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KEF - Q4 Meta - On-Wall Speakers
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Overview
The Q4 Meta is a slim two-way on-wall speaker from KEF's Q Series. KEF designed it to be used as a left, centre or right (LCR) speaker, or as a surround speaker, so it suits home theatre systems where floor space is limited.
It uses the same 130 mm (5.25 in.) 12th generation Uni-Q driver array with Metamaterial Absorption Technology (MAT) found in the Q1 Meta, for a consistent tonal match with other Q Series models.
Drivers and Technology
- 12th generation Uni-Q driver array, with the tweeter at the centre of the midrange/bass cone so both radiate from the same point
- Metamaterial Absorption Technology (MAT): a maze-like absorber behind the tweeter that KEF states absorbs 99% of the unwanted sound from the rear of the dome
- Crossover developed by KEF from more than 1,000 on- and off-axis measurements per model in its anechoic chamber in Maidstone, UK
- Tweeter rear chamber vent enlarged by 250% (per KEF) so more of the rear sound reaches the MAT absorber
- 25 mm (1 in.) vented aluminium dome tweeter with MAT and 130 mm (5.25 in.) aluminium cone
Installation and Use
- Designed for wall mounting, 142 mm deep including terminals
- Can be used as a front left, centre or right speaker, or as a surround speaker
- Colour-matched magnetic grille included
- Finishes: Satin Black, Satin White, Walnut
In the Box
- Q4 Meta speaker (1)
- Magnetic grille
- Rubber feet
- User manual
Specifications
| Design | Two-way bass reflex |
| Drive units | Uni-Q driver array: HF 25 mm (1 in.) vented aluminium dome with MAT, MF/LF 130 mm (5.25 in.) aluminium cone |
| Frequency response (±3 dB) | 65 Hz to 20 kHz |
| Frequency range (-6 dB) | 52 Hz to 20 kHz |
| Typical in-room bass response (-6 dB) | 44 Hz |
| Crossover frequency | 1.8 kHz |
| Amplifier requirements | 10 to 150 W |
| Sensitivity (2.83 V/1 m) | 86 dB |
| Harmonic distortion (90 dB, 1 m) | <2% 145 Hz and above, <1% 170 Hz to 20 kHz |
| Maximum output | 108 dB |
| Impedance | 4 Ω (min. 3.2 Ω) |
| Dimensions (H x W x D, with terminal) | 400 x 250 x 142 mm |
| Weight | 5.7 kg |
| Finishes | Satin Black / Satin White / Walnut |
| Unit | Sold individually |