Short answer: the KRK Classic 5 for better sound quality, the Midiplus MI5 II for the lower price. The KRK Classic 5 ranks #30 of 64 powered bookshelf speakers at $280. The Midiplus MI5 II ranks #57 at $169, $111 cheaper.
What the KRK Classic 5 offers: High-quality Klippel NFS data produces a 5.22 Spinorama preference score with a subwoofer, essentially level with the Edifier MR4. Bass reaches 60.1Hz at -3dB and 54.2Hz at -6dB, and the speaker responds especially well to EQ: Spinorama’s corrected score rises from 2.71 to 5.34 without a subwoofer and from 5.22 to 7.71 with one. Watch for: The unequalized response has a large 6.5dB frequency-deviation band, elevated splashy treble above 4kHz, crossover directivity error, and sharply narrowing tweeter dispersion. Distortion becomes extreme below 50Hz. Its raw 2.71 preference score is weak without a subwoofer, so EQ and careful toe-in are strongly recommended.
What the Midiplus MI5 II offers: A compact 5-inch powered pair with balanced inputs, Bluetooth and 100W RMS total output. The local Spinorama snapshot measures 49Hz extension and reaches 4.09 with a subwoofer. Watch for: The 1.81 raw preference score reflects notable tonal unevenness, and one powered cabinet drives the other through a proprietary cable. Brand support and US retail availability are thinner than mainstream monitor alternatives.
Buy the KRK Classic 5 if sound quality matters more than the price. Buy the Midiplus MI5 II if the price matters more than sound quality.
If sound quality matters at all to you, skip the Midiplus MI5 II. It ranks near the bottom of the 64 powered bookshelf speakers, so look higher up the list instead.
Specifications Side By Side
| KRK Classic 5 | Midiplus MI5 II | |
|---|---|---|
| Price | $280 | $169/pair |
| Ranked | #30 of 64 in Medium Size Powered Bookshelf Speakers | #57 of 64 in Medium Size Powered Bookshelf Speakers |
| Bass Extension (-3dB) | 60.1Hz (Spinorama/Audio Science Review) | - |
| Bass Extension (-6dB) | 54.2Hz (Spinorama/Audio Science Review) | - |
| Spinorama Preference Score | 2.71 without subwoofer; 5.22 with subwoofer | - |
| Dimensions | 9.7"H x 7.4"W x 11.2"D (246.4 x 188 x 284.5 mm) | 10.1H x 6.7W x 9.4D in |
| Frequency Response | 56Hz-30KHz (+-3dB) (Manufacturer specified) | 50Hz-25kHz |
| Inputs | RCA, TRS, XLR | TRS, RCA, 3.5mm, Bluetooth |
| Weight | 12.9 lbs / 5.87 kg | - |
| Drivers | 5" (127mm) woofer | 1-inch silk tweeter, 5-inch fiberglass woofer |
| App | No | - |
| Bluetooth | No | - |
| EQ | Yes (Room adjustment) | - |
| Output Power | 50w RMS Per Speaker | - |
| Enclosure | - | Powered 2-way rear-ported |
| Power Output | - | 100W RMS per pair |
| Maximum SPL | - | 103dB |
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Prices on this page were last checked August 25, 2026 at 6:19 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
KRK Classic 5: $280 Amazon eBay
Pros: High-quality Klippel NFS data produces a 5.22 Spinorama preference score with a subwoofer, essentially level with the Edifier MR4. Bass reaches 60.1Hz at -3dB and 54.2Hz at -6dB, and the speaker responds especially well to EQ: Spinorama’s corrected score rises from 2.71 to 5.34 without a subwoofer and from 5.22 to 7.71 with one.
Cons: The unequalized response has a large 6.5dB frequency-deviation band, elevated splashy treble above 4kHz, crossover directivity error, and sharply narrowing tweeter dispersion. Distortion becomes extreme below 50Hz. Its raw 2.71 preference score is weak without a subwoofer, so EQ and careful toe-in are strongly recommended.
Full KRK Classic 5 review and specifications →
| App | No |
|---|---|
| Bass Extension (-3dB) | 60.1Hz (Spinorama/Audio Science Review) |
| Bass Extension (-6dB) | 54.2Hz (Spinorama/Audio Science Review) |
| Bluetooth | No |
| Dimensions | 9.7"H x 7.4"W x 11.2"D (246.4 x 188 x 284.5 mm) |
| Drivers | 5" (127mm) woofer |
| EQ | Yes (Room adjustment) |
| Frequency Response | 56Hz-30KHz (+-3dB) (Manufacturer specified) |
| Inputs | RCA, TRS, XLR |
| Output Power | 50w RMS Per Speaker |
| Spinorama Preference Score | 2.71 without subwoofer; 5.22 with subwoofer |
| Weight | 12.9 lbs / 5.87 kg |
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- Audio Science Review Measurements (spinorama.org)
- Reddit Search for KRK Classic 5 Review
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Midiplus MI5 II: $169/pair eBay
Pros: A compact 5-inch powered pair with balanced inputs, Bluetooth and 100W RMS total output. The local Spinorama snapshot measures 49Hz extension and reaches 4.09 with a subwoofer.
Cons: The 1.81 raw preference score reflects notable tonal unevenness, and one powered cabinet drives the other through a proprietary cable. Brand support and US retail availability are thinner than mainstream monitor alternatives.
Full Midiplus MI5 II review and specifications →
| Dimensions | 10.1H x 6.7W x 9.4D in |
|---|---|
| Drivers | 1-inch silk tweeter, 5-inch fiberglass woofer |
| Enclosure | Powered 2-way rear-ported |
| Frequency Response | 50Hz-25kHz |
| Inputs | TRS, RCA, 3.5mm, Bluetooth |
| Maximum SPL | 103dB |
| Power Output | 100W RMS per pair |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- Midiplus MI5 II vs Edifier R1280DB
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