Short answer: the Yamaha HS5 if you need output, the KEF LSX II LT if you need a wide sweet spot. The LSX II LT’s coaxial driver spreads sound consistently about ±60° in each direction, but its small drivers are SPL-limited: bass compression starts around 88-92dB/1m per speaker and distortion crosses 3% near 96dB. The HS5 is very neutral and the cheaper of the two at $399.98 against $479.99.
What the Yamaha HS5 offers: Very neutral. Watch for: Not quite as deep of bass as some of the others in this size class.
On the KEF LSX II LT side: Coaxial (Uni-Q-style) driver keeps the tweeter centered in the midrange, giving wide and consistent dispersion both horizontally and vertically (about ±60° each) - a wide sweet spot for multiple seats or positions. Set against that: Small drivers mean it’s SPL-limited: bass compression kicks in around 88-92dB/1m per speaker, and multitone distortion crosses the reviewer’s 3% threshold around 96dB - not intended for loud or large-room duty.
Buy the KEF LSX II LT. It is rated higher for sound quality, and the $80.01 saving on the Yamaha HS5 is not enough to make up the difference.
Looking for alternatives? See the complete Powered Home rankings.
Specifications Side By Side
| Yamaha HS5 | KEF LSX II LT | |
|---|---|---|
| Price | $399.98 per pair | $479.99 per pair |
| Ranked | #43 of 68 in Medium Size Powered Bookshelf Speakers | #27 of 68 in Medium Size Powered Bookshelf Speakers |
| Bass Extension (-3dB) | 88Hz (measured, Audio Science Review) | 55Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-10dB) | 68Hz (measured, Audio Science Review) | 46Hz (measured, Erin’s Audio Corner) |
| Dimensions | 11.2”H x 6.7”W x 8.7”D (284.5 x 170.2 x 221 mm) | 9.5”H x 6.1”W x 7.1”D (241.3 x 154.9 x 180.3 mm) |
| Frequency Response | 58Hz - 24kHz (-3dB) (Manufacturer specified) | 54Hz - 28kHz (±3dB) (Manufacturer specified) |
| Inputs | XLR | Wifi, USB-C, HDMI, Optical, Bluetooth |
| Weight | 12.1 lbs (5.5 kg) each | 15 lbs (6.8 kg) |
| Drivers | 5” (127mm) woofer | 115mm (4.5in.) magnesium/aluminium alloy cone woofer, 19mm (0.75in.) aluminium dome tweeter |
| App | No | No |
| Bluetooth | No | Yes |
| EQ | Yes (Room adjustment) | No |
| Amplifier Power | 45w Per Speaker | 100w RMS Per Speaker |
| Spinorama Preference Score | 3.70 | 4.81 |
| Spinorama Preference Score with Perfect Sub | 6.32 | 7.03 |
| XLR Input | Yes | No |
| RCA Input | No | No |
| TRS Input | No | No |
| Optical Input | No | Yes |
| Coaxial Input | No | No |
| USB Input | No | Yes |
| HDMI Input | No | Yes |
| AES Input | No | No |
| Aux Input | No | No |
| Outputs | - | RCA Subwoofer |
| Sensitivity | - | 84dB (measured at 0.3V/1m, Erin’s Audio Corner) |
| Subwoofer Output | - | Yes |
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Prices on this page were last checked October 2, 2026 at 10:18 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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The Two Speakers In Full
Yamaha HS5: $399.98 per pair Amazon eBay
Pros: ASR found reasonably smooth early-reflection directivity, which makes broad EQ correction more promising than on speakers whose off-axis response changes abruptly. Balanced inputs and placement controls suit studio use. The measured preference scores are 3.70 standalone and 6.32 with an ideal subwoofer. Measured bass extension of 88Hz (-3dB).
Cons: The measurements do not support describing it as very neutral: excess midrange and reduced lower-midrange/upper-bass weight produce a bass-light balance. The 300Hz-5kHz span is 4.3dB. Its automated -3dB crossing is affected by response shape, so it should not be treated as a simple bass-cutoff specification. A subwoofer adds low bass but does not fix the elevated midrange.
Full Yamaha HS5 review and specifications →
| AES Input | No |
|---|---|
| Amplifier Power | 45w Per Speaker |
| App | No |
| Aux Input | No |
| Bass Extension (-10dB) | 68Hz (measured, Audio Science Review) |
| Bass Extension (-3dB) | 88Hz (measured, Audio Science Review) |
| Bluetooth | No |
| Coaxial Input | No |
| Dimensions | 11.2”H x 6.7”W x 8.7”D (284.5 x 170.2 x 221 mm) |
| Drivers | 5” (127mm) woofer |
| EQ | Yes (Room adjustment) |
| Frequency Response | 58Hz - 24kHz (-3dB) (Manufacturer specified) |
| HDMI Input | No |
| Inputs | XLR |
| Optical Input | No |
| RCA Input | No |
| Spinorama Preference Score | 3.70 |
| Spinorama Preference Score with Perfect Sub | 6.32 |
| TRS Input | No |
| USB Input | No |
| Weight | 12.1 lbs (5.5 kg) each |
| XLR Input | Yes |
- Links
- Reviews, Comparisons and Sound Samples
- Audio Science Review Measurements More from Audio Science Review →
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- DSAUDIO.review: Genelec 8010A (Genelec G One) vs Yamaha HS5 Sound Demo w/ Bass Test
- Audio Science Review Measurements (spinorama.org)
- Head-to-Head Comparisons
KEF LSX II LT: $479.99 per pair Amazon eBay
Pros: The coincident driver provides useful consistency across listening positions, and the app offers placement and subwoofer adjustments. Erin’s measurements give preference scores of 4.81 standalone and 7.03 with an ideal subwoofer, with -3dB bass around 56Hz. HDMI and USB connectivity make it convenient for a small TV or desktop system. Horizontal and vertical dispersion both reach about ±60°, giving a broad sweet spot for more than one seat. Measured bass extension of 55Hz (-3dB), with a measured sensitivity of 84dB.
Cons: The 3.4dB midrange response span and treble-region dips keep it below more neutral monitors. The existing review finds bass compression around 88-92dB/1m and rising distortion at higher levels, so the small drivers suit close listening rather than a large room. This LT version has no analog input; a turntable cannot plug straight into it.
Full KEF LSX II LT review and specifications →
| AES Input | No |
|---|---|
| Amplifier Power | 100w RMS Per Speaker |
| App | No |
| Aux Input | No |
| Bass Extension (-10dB) | 46Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-3dB) | 55Hz (measured, Erin’s Audio Corner) |
| Bluetooth | Yes |
| Coaxial Input | No |
| Dimensions | 9.5”H x 6.1”W x 7.1”D (241.3 x 154.9 x 180.3 mm) |
| Drivers | 115mm (4.5in.) magnesium/aluminium alloy cone woofer, 19mm (0.75in.) aluminium dome tweeter |
| EQ | No |
| Frequency Response | 54Hz - 28kHz (±3dB) (Manufacturer specified) |
| HDMI Input | Yes |
| Inputs | Wifi, USB-C, HDMI, Optical, Bluetooth |
| Optical Input | Yes |
| Outputs | RCA Subwoofer |
| RCA Input | No |
| Sensitivity | 84dB (measured at 0.3V/1m, Erin’s Audio Corner) |
| Spinorama Preference Score | 4.81 |
| Spinorama Preference Score with Perfect Sub | 7.03 |
| Subwoofer Output | Yes |
| TRS Input | No |
| USB Input | Yes |
| Weight | 15 lbs (6.8 kg) |
| XLR Input | No |
- Links
- Reviews, Comparisons and Sound Samples
- Erin’s Audio Corner: Transform Your Sound System with the KEF LSX II LT Speaker More from Erin’s Audio Corner →
- Erin’s Audio Corner Website: KEF LSX II LT
- Erin’s Audio Corner Measurements (spinorama.org)
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