Short answer: the Emotiva Airmotiv XB2. It ranks #48 of 222 bookshelf speakers by sound quality, rated 4.2/5, at $549. The StarkSound Beta 5 ranks #61, rated 4.1/5, at $499, $50 cheaper, not enough of a saving to outweigh the sound-quality gap.
What the Emotiva Airmotiv XB2 does well: A great value bookshelf speaker with neutral sound, an AMT ribbon tweeter, and decent bass for its size. The catch: Slight recessed upper-midrange around 2kHz from the tweeter-to-woofer handoff.
The StarkSound Beta 5 is the deeper-bass choice. An affordable bookshelf speaker with impressive bass for the money, good distortion control, and a solid, resonance damping build. Its bass reaches about 52Hz before falling 3dB, against 62Hz for the Emotiva Airmotiv XB2. The catch: Sensitivity undershoots its own spec: rated 86dB, measured closer to 83dB.
Buy the Emotiva Airmotiv XB2. It is rated higher for sound quality, and saving $50 with the StarkSound Beta 5 does not make up for the sound-quality gap.
Looking for alternatives? See the complete Passive Home rankings.
Measured Differences
- Bass depth: the StarkSound Beta 5 reaches 37 Hz (10 dB down) against 43 Hz for the Emotiva Airmotiv XB2, about half an octave deeper. You hear more of the lowest bass notes and kick drums.
- Efficiency: the Emotiva Airmotiv XB2 is rated at 86 dB sensitivity against 83 dB for the StarkSound Beta 5, so it plays as loud with roughly half the amplifier power.
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Specifications Side By Side
| Emotiva Airmotiv XB2 | StarkSound Beta 5 | |
|---|---|---|
| Price | $549 per pair | $499.00 per pair |
| Ranked | #48 of 222 in Large Size Bookshelf Speakers | #61 of 222 in Large Size Bookshelf Speakers |
| Bass Extension (-10dB) | 43Hz (measured, Erin’s Audio Corner) | 37Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-3dB) | 62Hz (measured, Erin’s Audio Corner) | 52Hz (measured, Erin’s Audio Corner) |
| Dimensions | 12.8” x 8.5” x 11.5” (325 x 216 x 292 mm) | 11.9” x 7.2” x 13” (302 x 182 x 330 mm) |
| Impedance | 4 ohms nominal (safe with 8-ohm rated amps) | 4 ohms nominal |
| Sensitivity | 86dB (2.83V/1m, Manufacturer specified) | 83dB (2.83V/1m, measured by Erin’s Audio Corner) |
| Drivers | 1x 6” woven cone woofer, 1x 25x32mm AMT folded ribbon tweeter | 1.15” tweeter, 5.25” dry-carbon woofer |
| Weight | 18.1 lbs (8.2 kg) | 15 lbs (6.8 kg) |
| Woofer Cabinet | Bass reflex, rear ported | Bass reflex, rear ported |
| Frequency Response | 48Hz - 27kHz (+3/-3dB, Manufacturer specified) | 45Hz - 23kHz (-3dB, Manufacturer specified) |
| Crossover Frequency | 2.6kHz | 2200Hz |
| Power Handling | 125W continuous, 200W peak | - |
| Spinorama Preference Score | 5.65 | - |
| Spinorama Preference Score with Perfect Sub | 7.93 | - |
| DIY Kit | No | No |
| Maximum SPL | - | 108dB (1m, Manufacturer specified) |
| Recommended Power | - | 30W - 150W |
Where the Ratings Come From
- Emotiva Airmotiv XB2: Spinorama.org measurements and reviews by Erin’s Audio Corner.
- StarkSound Beta 5: reviews by Erin’s Audio Corner.
This comparison is generated from the ratings, specifications and measurements on each product’s own page, and it updates when that data changes. How we rank explains how each rating is decided.
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