Short answer: the Dynaudio Heritage Special. It ranks #29 of 222 bookshelf speakers by sound quality (rated 4.4/5); the Mission LX-3 MKII ranks #138 (rated 3.6/5).
The Dynaudio Heritage Special is the better-sounding, deeper-bass pick. A limited edition bookshelf speaker with huge output for its size, robust bass, and a big, well proportioned soundstage. Its bass reaches about 52Hz before falling 3dB, against 67.4Hz for the Mission LX-3 MKII. The tradeoff: At lower listening volumes, dynamic range and kick-drum punch fell short of higher-sensitivity speakers the reviewer has tested (JBL 4367, KEF Reference 1 Meta): the sheer output ceiling is impressive, but it isn’t a highly dynamic-sounding speaker at modest levels.
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 catch: 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 Dynaudio Heritage Special. It is rated higher for sound quality than the Mission LX-3 MKII.
Still deciding? The full Passive Home rankings cover every ranked option.
A limited edition bookshelf speaker with huge output for its size, robust bass, and a big, well proportioned soundstage.
Large affordable standmount speakers with a 6.5 inch woofer, useful bass and easy to drive sensitivity.
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Specifications Side By Side
| Dynaudio Heritage Special | Mission LX-3 MKII | |
|---|---|---|
| Price | $7,000 per pair | £249 per pair |
| Ranked | #29 of 222 in Large Size Bookshelf Speakers | #138 of 222 in Large Size Bookshelf Speakers |
| Drivers | 18cm MSP cone woofer, 28mm Esotar 3 dome tweeter | 1” microfiber-dome tweeter, 6.5” composite-fiber woofer |
| Dimensions | 15.2”H x 8.2”W x 12.6”D (385 x 208 x 320 mm) | 13.6H x 8.9W x 12.1D in |
| Weight | 24.3 lbs (11 kg) each | 18.5 lbs (8.4 kg) each |
| Impedance | 5.1 ohms minimum, ported mode (measured, Erin’s Audio Corner) | 8 ohms nominal, 4.1 ohms minimum |
| Sensitivity | 85dB (measured at 2.83V/1m, Erin’s Audio Corner) | 88dB |
| Bass Extension (-3dB) | 52Hz (measured, Erin’s Audio Corner) | 67.4Hz (measured, ASR via spinorama.org) |
| Bass Extension (-10dB) | 38Hz (measured, Erin’s Audio Corner) | 42.5Hz (derived from ASR on-axis curve, spinorama.org) |
| Country | Denmark | United Kingdom (design) |
| Spinorama Preference Score | 4.32 | 4.17 |
| Spinorama Preference Score with Perfect Sub | 6.33 | 6.42 |
| DIY Kit | No | No |
| Enclosure | - | 2-way, bass-reflex |
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