Short answer: the Dynaudio LYD 5. It ranks #6 of 65 powered bookshelf speakers by sound quality at $1000; the Devialet Phantom II 98 dB ranks #9 and costs $2998, so there is not much of a tradeoff to weigh.
What the Devialet Phantom II 98 dB offers: The manufacturer-supplied measurement shows unusually deep bass for the enclosure size: -3dB at 30Hz. Scores of 6.07 standalone and 7.15 with an ideal subwoofer suggest that its appeal is not limited to bass quantity. Integrated amplification and network playback can replace several components, and its 2.3dB midrange response span is reasonably even. Watch for: Small-enclosure bass extension at the measurement level does not guarantee the same response at high volume. Stereo requires two units, and the integrated architecture offers less system flexibility than conventional monitors.
What the Dynaudio LYD 5 offers: ASR’s Klippel data is substantially stronger than a low ranking suggests: 4.72 standalone and 7.38 with an ideal subwoofer, with a 1.9dB span from 300Hz to 5kHz. Low listening-window narrow-band deviation of 0.242 supports relatively uncolored midrange reproduction. It is particularly competitive when used with a subwoofer rather than judged only by bass reach. Watch for: Bass reaches -3dB around 72Hz, so it gives up low-frequency weight to deeper-reaching monitors. The existing review identifies a dip near 1.6kHz, upper-bass emphasis and uneven crossover-region dispersion. These issues and limited deep-bass capability keep it below the leading all-rounders despite its strong bass-normalized score. A subwoofer does not correct upper-frequency directivity errors.
Buy the Dynaudio LYD 5. It ranks higher for sound quality than the Devialet Phantom II 98 dB and costs less, so the other one has nothing left to offer.
Still deciding? The full Powered Home rankings cover every ranked option.
Specifications Side By Side
| Devialet Phantom II 98 dB | Dynaudio LYD 5 | |
|---|---|---|
| Price | $2,998 per pair | $1000 per pair |
| Ranked | #9 of 65 in Medium Size Powered Bookshelf Speakers | #6 of 65 in Medium Size Powered Bookshelf Speakers |
| Bass Extension (-3dB) | 30Hz (measured, spinorama.org) | 68Hz (measured, Audio Science Review) |
| Bass Extension (-10dB) | approximately 22.6Hz (measured, spinorama.org) | 50Hz (measured, Audio Science Review) |
| Drivers | One aluminum full-range driver; two aluminum bass drivers | 5" woofer, 28mm soft dome tweeter |
| Inputs | Wi-Fi, Ethernet, Bluetooth, AirPlay 2, Spotify Connect, UPnP, Roon Ready, analog/optical combo jack | - |
| Bluetooth Codecs | SBC, AAC | - |
| Amplifier Power | 400W RMS each | 100W total (50W LF, 50W HF) |
| Dimensions | 6.6 x 6.2 x 8.6 in each | 10.2"H x 6.7"W x 8.3"D (260 x 170 x 211 mm) |
| Weight | 9.5 lbs (4.3 kg) each | 11.9 lbs (5.4 kg) each |
| Maximum SPL | 98dB at 1m each (manufacturer specified) | - |
| Spinorama Preference Score | 6.07 | - |
| Spinorama Preference Score with Perfect Sub | 7.15 | - |
| Frequency Response | - | 50Hz - 21kHz (Manufacturer specified) |
| App | - | No |
| EQ | - | No |
| DSP | - | No |
Related Speaker Comparisons
More worthwhile head-to-heads for Dynaudio LYD 5:
- Dynaudio LYD 5 vs Genelec 8331A
- Neumann KH120 MKII vs Dynaudio LYD 5
- Genelec 8030C vs Dynaudio LYD 5
- Neumann KH80 DSP vs Dynaudio LYD 5
- Dynaudio LYD 5 vs Genelec 8330A
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
Devialet Phantom II 98 dB: $2,998 per pair Devialet eBay
Pros: The manufacturer-supplied measurement shows unusually deep bass for the enclosure size: -3dB at 30Hz. Scores of 6.07 standalone and 7.15 with an ideal subwoofer suggest that its appeal is not limited to bass quantity. Integrated amplification and network playback can replace several components, and its 2.3dB midrange response span is reasonably even. Measured bass extension of 30Hz (-3dB).
Cons: Small-enclosure bass extension at the measurement level does not guarantee the same response at high volume. Stereo requires two units, and the integrated architecture offers less system flexibility than conventional monitors.
Full Devialet Phantom II 98 dB review and specifications →
| Amplifier Power | 400W RMS each |
|---|---|
| Bass Extension (-10dB) | approximately 22.6Hz (measured, spinorama.org) |
| Bass Extension (-3dB) | 30Hz (measured, spinorama.org) |
| Bluetooth Codecs | SBC, AAC |
| Dimensions | 6.6 x 6.2 x 8.6 in each |
| Drivers | One aluminum full-range driver; two aluminum bass drivers |
| Inputs | Wi-Fi, Ethernet, Bluetooth, AirPlay 2, Spotify Connect, UPnP, Roon Ready, analog/optical combo jack |
| Maximum SPL | 98dB at 1m each (manufacturer specified) |
| Spinorama Preference Score | 6.07 |
| Spinorama Preference Score with Perfect Sub | 7.15 |
| Weight | 9.5 lbs (4.3 kg) each |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- Devialet Phantom II 98 dB vs Genelec 8020D
- Devialet Phantom II 98 dB vs Genelec 8330A
- Devialet Phantom II 98 dB vs Klipsch The Fives
- Devialet Phantom II 98 dB vs JBL 305P MKII
- Devialet Phantom II 98 dB vs Neumann KH80 DSP
- Devialet Phantom II 98 dB vs KEF LS50 Wireless II
- Devialet Phantom II 98 dB vs Genelec 8030C
- Devialet Phantom II 98 dB vs Vanatoo Transparent One Encore Plus
- See all 37 comparisons
Dynaudio LYD 5: $1000 per pair B&H Photo Video eBay
Pros: ASR’s Klippel data is substantially stronger than a low ranking suggests: 4.72 standalone and 7.38 with an ideal subwoofer, with a 1.9dB span from 300Hz to 5kHz. Low listening-window narrow-band deviation of 0.242 supports relatively uncolored midrange reproduction. It is particularly competitive when used with a subwoofer rather than judged only by bass reach. Measured bass extension of 68Hz (-3dB).
Cons: Bass reaches -3dB around 72Hz, so it gives up low-frequency weight to deeper-reaching monitors. The existing review identifies a dip near 1.6kHz, upper-bass emphasis and uneven crossover-region dispersion. These issues and limited deep-bass capability keep it below the leading all-rounders despite its strong bass-normalized score. A subwoofer does not correct upper-frequency directivity errors.
Full Dynaudio LYD 5 review and specifications →
| Amplifier Power | 100W total (50W LF, 50W HF) |
|---|---|
| App | No |
| Bass Extension (-10dB) | 50Hz (measured, Audio Science Review) |
| Bass Extension (-3dB) | 68Hz (measured, Audio Science Review) |
| DSP | No |
| Dimensions | 10.2"H x 6.7"W x 8.3"D (260 x 170 x 211 mm) |
| Drivers | 5" woofer, 28mm soft dome tweeter |
| EQ | No |
| Frequency Response | 50Hz - 21kHz (Manufacturer specified) |
| Weight | 11.9 lbs (5.4 kg) each |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons