Short answer: the KEF LS50 Wireless II. It ranks #18 of 100 powered bookshelf speakers by sound quality (rated 4.3/5) at $2,999 and is still sold new; the Presonus Eris E5 ranks #75 (rated 3.3/5) and is discontinued, so it is only an option used. The Presonus Eris E5’s replacement, the PreSonus Eris Studio 5, is rated 3.6/5.
Why pick the Presonus Eris E5: Balanced XLR/TRS and RCA inputs plus placement adjustment make the original Eris E5 easy to connect to studio or consumer sources. The tradeoff: A fuller bass balance is not necessarily neutral.
The KEF LS50 Wireless II is the better-sounding option. Erin’s measurements give preference scores of 5.43 standalone and 7.51 with an ideal subwoofer, with a -3dB point around 51Hz. It keeps a wired aux input, which the Presonus Eris E5 lacks. The tradeoff: The 3.0dB response span is good but not reference-leading, and dispersion still varies with frequency.
Buy the KEF LS50 Wireless II. It is rated higher for sound quality; the Presonus Eris E5 is no longer sold new.
Still deciding? The full Powered Home rankings cover every ranked option.
Specifications Side By Side
| Presonus Eris E5 | KEF LS50 Wireless II | |
|---|---|---|
| Price | $186.98 per pair Discontinued | $2,999.00 per pair |
| Ranked | #75 of 100 in Medium Size Powered Bookshelf Speakers | #18 of 100 in Medium Size Powered Bookshelf Speakers |
| Dimensions | 10.2”H x 7”W x 7.7”D (259.1 x 177.8 x 195.6 mm) | 12” x 7.9” x 12.2” (305 x 200 x 311 mm) each |
| Frequency Response | 53Hz - 22kHz (Manufacturer specified) | 45Hz - 28kHz ±3dB |
| Inputs | TRS, XLR, RCA | HDMI eARC, optical, digital coaxial, 3.5mm analog, USB-A (service), Ethernet |
| Weight | 10.1 lbs (4.6 kg) each | 44.3 lbs (20.1 kg) for the pair |
| Drivers | 5” (127mm) woofer | Uni-Q coincident array: 130mm aluminum woofer + 25mm MAT aluminum dome tweeter |
| App | No | KEF Connect (placement EQ presets, source selection, firmware updates) |
| Bluetooth | No | Yes |
| EQ | Yes (Room adjustment) | Yes, fixed placement presets (desk/bookshelf/wall-mount) - no automatic room correction |
| Amplifier Power | 80w Per Speaker | 280W (LF) + 100W (HF) per speaker, bi-amped |
| XLR Input | Yes | No |
| RCA Input | Yes | No |
| TRS Input | Yes | No |
| Optical Input | No | Yes |
| Coaxial Input | No | Yes |
| USB Input | No | No |
| HDMI Input | No | Yes |
| AES Input | No | No |
| Aux Input | No | Yes |
| Bass Extension (-10dB) | - | 41.5Hz (measured, spinorama.org) |
| Bass Extension (-3dB) | - | 51.3Hz (measured, spinorama.org) |
| Bluetooth Version | - | 4.2 |
| Maximum SPL | - | 108dB at 1m (manufacturer specified) |
| Spinorama Preference Score | - | 5.43 |
| Spinorama Preference Score with Perfect Sub | - | 7.51 |
| Subwoofer Output | - | Yes |
| Outputs | - | RCA subwoofer |
Related Speaker Comparisons
How KEF LS50 Wireless II compares with other leading options:
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- Neumann KH80 DSP vs KEF LS50 Wireless II
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Prices on this page were last checked October 9, 2026 at 8:01 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
Presonus Eris E5: $186.98 per pair Discontinued eBay
Newer model: the PreSonus Eris Studio 5, ranked higher, estimated 3.6/5.
Same family: the Presonus Eris E3.5 (smaller bookshelf, rated 2.6/5).
Pros: Balanced XLR/TRS and RCA inputs plus placement adjustment make the original Eris E5 easy to connect to studio or consumer sources. Existing listening notes describe a fuller low end than some small, bass-light monitors, which may suit casual nearfield listening.
Cons: A fuller bass balance is not necessarily neutral. Placement adjustment is useful, but it does not replace a properly integrated subwoofer for deep-bass monitoring. Discontinued.
Full Presonus Eris E5 review and specifications →
| AES Input | No |
|---|---|
| Amplifier Power | 80w Per Speaker |
| App | No |
| Aux Input | No |
| Bluetooth | No |
| Coaxial Input | No |
| Dimensions | 10.2”H x 7”W x 7.7”D (259.1 x 177.8 x 195.6 mm) |
| Drivers | 5” (127mm) woofer |
| EQ | Yes (Room adjustment) |
| Frequency Response | 53Hz - 22kHz (Manufacturer specified) |
| HDMI Input | No |
| Inputs | TRS, XLR, RCA |
| Optical Input | No |
| RCA Input | Yes |
| TRS Input | Yes |
| USB Input | No |
| Weight | 10.1 lbs (4.6 kg) each |
| XLR Input | Yes |
- Links
- Reviews, Comparisons and Sound Samples
- DSAUDIO.review: Adam Audio T5V vs Presonus Eris E5 5 Track Comparison More from DSAUDIOreview →
- DSAUDIO.review: Yamaha HS5 vs Presonus Eris E5 Sound Demo
- DSAUDIO.review: Fluid Audio F5 vs Presonus Eris E5 Sound & Frequency Response Comparison
- DSAUDIO.review: M-Audio BX5 D3 vs Presonus Eris E5 5 Track Comparison
- DSAUDIO.review: PreSonus Eris E5 XT vs PreSonus Eris E5 (new vs old) Sound & Frequency Response Comparison
- DSAUDIO.review: JBL 305P MKII vs PreSonus Eris E5 6-Track Comparison
- DSAUDIO.review: Mackie CR5 BT vs Presonus Eris E5 Sound Demo w/ Bass Test
- DSAUDIO.review: KRK Rokit 5 RP5G3 vs Presonus E5 Sound Demo w/ Bass Test
- DSAUDIO.review: JBL LSR305 vs Presonus Eris E5 Sound Demo
- DSAUDIO.review: KRK Rokit 5 G4 RP5G4 vs Presonus Eris E5 Sound & Frequency Response Comparison
- Head-to-Head Comparisons
- Presonus Eris E5 vs Edifier MR5
- Presonus Eris E5 vs Audioengine HD6
- Presonus Eris E5 vs M-Audio BX4 D3
- Presonus Eris E5 vs KRK Classic 5
- Presonus Eris E5 vs Edifier R2000DB
- Presonus Eris E5 vs Edifier S1000W
- Presonus Eris E5 vs Edifier MR4
- Presonus Eris E5 vs Edifier S1000MKII
- See all 50 comparisons
KEF LS50 Wireless II: $2,999.00 per pair Amazon KEF Crutchfield eBay
Same family: the KEF LSX II LT (smaller bookshelf, ranked lower, rated 4/5), the KEF LSX II (smaller bookshelf, estimated 4.1/5) and the KEF LS60 (floorstanding, rated 4.8/5).
Pros: Erin’s measurements give preference scores of 5.43 standalone and 7.51 with an ideal subwoofer, with a -3dB point around 51Hz. The coincident Uni-Q layout helps preserve tonal consistency across horizontal and vertical listening positions. Low listening-window narrow-band deviation of 0.308 supports relatively clean midrange reproduction. HDMI eARC and streaming functions make it a capable all-in-one stereo system. Measured bass extension of 51.3Hz (-3dB).
Cons: The 3.0dB response span is good but not reference-leading, and dispersion still varies with frequency. Compact bass drivers limit deep-bass output. App placement adjustments are not the same as microphone-based automatic room correction. The price and primary/secondary architecture are practical trade-offs; neither driver geometry nor a single directivity statistic guarantees the best sound in every room.
Full KEF LS50 Wireless II review and specifications →
| AES Input | No |
|---|---|
| Amplifier Power | 280W (LF) + 100W (HF) per speaker, bi-amped |
| App | KEF Connect (placement EQ presets, source selection, firmware updates) |
| Aux Input | Yes |
| Bass Extension (-10dB) | 41.5Hz (measured, spinorama.org) |
| Bass Extension (-3dB) | 51.3Hz (measured, spinorama.org) |
| Bluetooth | Yes |
| Bluetooth Version | 4.2 |
| Coaxial Input | Yes |
| Dimensions | 12” x 7.9” x 12.2” (305 x 200 x 311 mm) each |
| Drivers | Uni-Q coincident array: 130mm aluminum woofer + 25mm MAT aluminum dome tweeter |
| EQ | Yes, fixed placement presets (desk/bookshelf/wall-mount) - no automatic room correction |
| Frequency Response | 45Hz - 28kHz ±3dB |
| HDMI Input | Yes |
| Inputs | HDMI eARC, optical, digital coaxial, 3.5mm analog, USB-A (service), Ethernet |
| Maximum SPL | 108dB at 1m (manufacturer specified) |
| Optical Input | Yes |
| Outputs | RCA subwoofer |
| RCA Input | No |
| Spinorama Preference Score | 5.43 |
| Spinorama Preference Score with Perfect Sub | 7.51 |
| Subwoofer Output | Yes |
| TRS Input | No |
| USB Input | No |
| Weight | 44.3 lbs (20.1 kg) for the pair |
| XLR Input | No |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- KEF LS50 Wireless II vs JBL 305P MKII
- KEF LS50 Wireless II vs Vanatoo Transparent One Encore Plus
- KEF LS50 Wireless II vs Klipsch The Fives
- KEF LS50 Wireless II vs IK Multimedia iLoud MTM MKII
- KEF LS50 Wireless II vs Genelec 8020D
- KEF LS50 Wireless II vs Kali Audio SM-5
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- See all 46 comparisons