Short answer: the Mission LX-3 MKII. It ranks #138 of 222 bookshelf speakers by sound quality (rated 3.6/5); the XTZ Spirit 4 ranks #159 (rated 3.4/5).
Why pick the XTZ Spirit 4: Stand-mount speakers with a waveguide tweeter, adjustable treble and port tuning, wide coverage and fairly deep bass. The tradeoff: The third-party measurement is low confidence.
Why pick the Mission LX-3 MKII: Large affordable standmount speakers with a 6.5 inch woofer, useful bass and easy to drive sensitivity. The tradeoff: On-axis smoothness of 0.217 and predicted in-room smoothness of 0.344 reveal clear response unevenness, with a -0.46dB-per-octave downward tilt.
Buy the Mission LX-3 MKII. It is rated higher for sound quality than the XTZ Spirit 4.
Want more options? Browse the full Passive Home rankings.
Stand-mount speakers with a waveguide tweeter, adjustable treble and port tuning, wide coverage and fairly deep bass.
Large affordable standmount speakers with a 6.5 inch woofer, useful bass and easy to drive sensitivity.
Prices on this page were last checked October 31, 2026 at 7:11 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.
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Specifications Side By Side
| XTZ Spirit 4 | Mission LX-3 MKII | |
|---|---|---|
| Price | $477 per pair | £249 per pair |
| Ranked | #159 of 222 in Large Size Bookshelf Speakers | #138 of 222 in Large Size Bookshelf Speakers |
| Bass Extension (-10dB) | about 40.0Hz (measured, Spinorama data) | 42.5Hz (derived from ASR on-axis curve, spinorama.org) |
| Enclosure | 2-way passive, rear-ported | 2-way, bass-reflex |
| Drivers | 1” dome tweeter, 6.5” woofer | 1” microfiber-dome tweeter, 6.5” composite-fiber woofer |
| Dimensions | 13.8H x 7.5W x 10.6D in | 13.6H x 8.9W x 12.1D in |
| Weight | 17.9 lbs (8.1 kg) each | 18.5 lbs (8.4 kg) each |
| Sensitivity | 86dB | 88dB |
| Impedance | 4 ohms | 8 ohms nominal, 4.1 ohms minimum |
| Spinorama Preference Score | 4.18 | 4.17 |
| Spinorama Preference Score with Perfect Sub | 6.30 | 6.42 |
| Bass Extension (-3dB) | 42Hz (manufacturer specified) | 67.4Hz (measured, ASR via spinorama.org) |
| DIY Kit | No | No |
| Country | - | United Kingdom (design) |
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