Short answer: the Mission LX-3 MKII. It ranks #80 of 130 bookshelf speakers by sound quality; the XTZ Spirit 4 ranks #92.
What the XTZ Spirit 4 offers: Substantial 6.5-inch stand-mount with a waveguided dome tweeter, adjustable treble level and port tuning. Spinorama predicts 44Hz in-room extension, broad roughly +/-60-degree horizontal coverage and a 5.39 preference score with a subwoofer. Watch for: The third-party measurement is low confidence. On-axis smoothness is only 0.248, directivity-index consistency is middling at 3.21, and the mildly downward -0.29dB/octave tonal slope contributes to a modest 3.27 raw preference score.
What the Mission LX-3 MKII offers: A large affordable standmount with a 6.5-inch woofer, 88dB rated sensitivity and useful bass. ASR measured 48Hz estimated in-room extension, a controlled Q of 0.60, a 5.52 subwoofer-assisted preference score and reasonable +/-55-degree horizontal coverage. Watch for: 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. The 345mm-tall, 8.4kg cabinet is bulky and current US availability is limited.
Buy the XTZ Spirit 4 if the price is the priority over sound quality, or the Mission LX-3 MKII if sound quality is the priority over the price.
Want more options? Browse the full Passive Home rankings.
Specifications Side By Side
| XTZ Spirit 4 | Mission LX-3 MKII | |
|---|---|---|
| Price | $477 per pair | £249 per pair |
| Ranked | #92 of 130 in Large Size Bookshelf Speakers | #80 of 130 in Large Size Bookshelf Speakers |
| 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 | 3.27 | 3.26 |
| Spinorama Preference Score with Perfect Sub | 5.39 | 5.52 |
| Country | - | United Kingdom (design) |
Related Speaker Comparisons
How Mission LX-3 MKII compares with other leading options:
- Perlisten S4b vs Mission LX-3 MKII
- KEF Reference 1 Meta vs Mission LX-3 MKII
- GR-Research NX-Studio vs Mission LX-3 MKII
- AsciLab C6B vs Mission LX-3 MKII
- Audio First Cadentia 3 vs Mission LX-3 MKII
Prices on this page were last checked September 16, 2026 at 12:41 AM 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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The Two Speakers In Full
XTZ Spirit 4: $477 per pair XTZ eBay
Pros: Substantial 6.5-inch stand-mount with a waveguided dome tweeter, adjustable treble level and port tuning. Spinorama predicts 44Hz in-room extension, broad roughly +/-60-degree horizontal coverage and a 5.39 preference score with a subwoofer.
Cons: The third-party measurement is low confidence. On-axis smoothness is only 0.248, directivity-index consistency is middling at 3.21, and the mildly downward -0.29dB/octave tonal slope contributes to a modest 3.27 raw preference score.
Full XTZ Spirit 4 review and specifications →
| Dimensions | 13.8H x 7.5W x 10.6D in |
|---|---|
| Drivers | 1" dome tweeter, 6.5" woofer |
| Enclosure | 2-way passive, rear-ported |
| Impedance | 4 ohms |
| Sensitivity | 86dB |
| Spinorama Preference Score | 3.27 |
| Spinorama Preference Score with Perfect Sub | 5.39 |
| Weight | 17.9 lbs (8.1 kg) each |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- XTZ Spirit 4 vs Sonus Faber Lumina II
- XTZ Spirit 4 vs KEF Q3 Meta
- XTZ Spirit 4 vs SVS Prime Bookshelf
- XTZ Spirit 4 vs ELAC Debut 2.0 B6.2
- XTZ Spirit 4 vs Polk R200
- XTZ Spirit 4 vs Dynaudio Special Forty
- XTZ Spirit 4 vs GR-Research X-LS Encore
- XTZ Spirit 4 vs Sonus Faber Sonetto II G2
- See all 44 comparisons
Mission LX-3 MKII: £249 per pair Richer Sounds eBay
Pros: A large affordable standmount with a 6.5-inch woofer, 88dB rated sensitivity and useful bass. ASR measured 48Hz estimated in-room extension, a controlled Q of 0.60, a 5.52 subwoofer-assisted preference score and reasonable +/-55-degree horizontal coverage.
Cons: 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. The 345mm-tall, 8.4kg cabinet is bulky and current US availability is limited.
Full Mission LX-3 MKII review and specifications →
| Country | United Kingdom (design) |
|---|---|
| Dimensions | 13.6H x 8.9W x 12.1D in |
| Drivers | 1" microfiber-dome tweeter, 6.5" composite-fiber woofer |
| Enclosure | 2-way, bass-reflex |
| Impedance | 8 ohms nominal, 4.1 ohms minimum |
| Sensitivity | 88dB |
| Spinorama Preference Score | 3.26 |
| Spinorama Preference Score with Perfect Sub | 5.52 |
| Weight | 18.5 lbs (8.4 kg) each |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- Mission LX-3 MKII vs GR-Research X-LS Encore
- Mission LX-3 MKII vs Philharmonic BMR Monitor
- Mission LX-3 MKII vs Dynaudio Emit 20
- Mission LX-3 MKII vs Klipsch RP-600M II
- Mission LX-3 MKII vs Dynaudio Special Forty
- Mission LX-3 MKII vs ELAC Debut 2.0 B6.2
- Mission LX-3 MKII vs SVS Prime Bookshelf
- Mission LX-3 MKII vs KEF Q3 Meta
- See all 44 comparisons