R-COMPARE
Mission QX-4 MKII floorstanding speakers / KEF Q750 floorstanding speakers
Spec deltas, DNA with confidence and what the specialists said. “Better” only where a source backs it.
Mission QX-4 MKII floorstanding speakers83,880 RUBper pairKEF Q750 floorstanding speakers99,000 RUB149,000 RUBper pairpromo
Specifications
same tierMission QX-4 MKII and KEF Q750 are the same tier; they differ in character and in the figures below.
| Parameter | Mission QX-4 MKII floorstanding speakers | KEF Q750 floorstanding speakers | favours |
|---|---|---|---|
| Tier | mid | mid | |
| Sensitivity | 85 dB/W | 88 dB/W | KEF Q750 floorstanding speakers |
| Low-frequency limit± | 40 Hz | 48 Hz | Mission QX-4 MKII floorstanding speakers |
| Nominal impedance | 4 Ω | 8 Ω | KEF Q750 floorstanding speakers |
| Size class | mid floorstander | mid floorstander | |
| Bass drivers | 2×165 | 2×165 | |
| Height | 980 mm | 977 mm | KEF Q750 floorstanding speakers |
| Weight (each) | 23.8 kg | 16.5 kg | |
| Price | 83,880 RUB | 99,000 RUB |
Product DNA
- Bass depth8 / 6
- Plays loud2 / 8
- ✓ KEF Q750: easier to drive (+3.0 dB/W)
- ✓ Mission QX-4 MKII: deeper bass (40 Hz vs 48 Hz)
- ✓ KEF Q750: easier for AV receivers (8 Ω)
- ○ Bass depth: Mission QX-4 MKII 8/10, KEF Q750 6/10
- ○ Plays loud: Mission QX-4 MKII 2/10, KEF Q750 8/10
R-COMPARE · 1.0.0+c1.0.0 · confidence 0.75
Who each suits
Mission QX-4 MKII floorstanding speakers
- deep bass from a slim cabinet: 36 Hz, two 165 mm woofers, two reflex ports — 8/10 by rule AI draft, under review
- a precise stereo image at seated ear height — D’Appolito configuration (tweeter between the woofers) AI draft, under review
- bi-wiring and bi-amping: two pairs of screw terminals AI draft, under review
- home cinema with the QX MkII range (centre, surrounds, sub of the same series) — “a home-cinema range” per the news AI draft, under review
KEF Q750 floorstanding speakers
- home-cinema front: “better suited to cinema with effects, explosions and gunfire”; a Q750 + Q150 + Q250c set approved by specialists AI draft, under review
- loud listening: 111 dB maximum SPL — 8/10 by rule AI draft, under review
- mid-class AV receivers: Denon AVR-X1800H, Onkyo TX-NR5009, Pioneer VSX-935 M2 approved; Yamaha RX-V6A — for cinema AI draft, under review
- placement closer to the wall: passive radiators instead of a port — “not critical to placement” by rule AI draft, under review