Short answer: the JBL 305P MKII. It ranks #17 of 100 powered bookshelf speakers by sound quality, rated 4.3/5, at $289. The Edifier R1280T ranks #89, rated 3.1/5, at $109.99, $179.01 cheaper, a saving that is not big enough to make up the sound-quality gap.
The JBL 305P MKII is the more accurate, deeper-bass choice. Erin’s Klippel data gives 5.38 standalone and 7.52 with an ideal subwoofer, with bass reaching -3dB around 51Hz. Its measured preference score, a predictor of how neutral it sounds, is 5.38 against 2.41 for the Edifier R1280T. Its bass reaches about 50Hz before falling 3dB, against 63Hz for the Edifier R1280T. It has an adjustable EQ, which the Edifier R1280T lacks. The tradeoff: The 3.3dB midrange span and rising response show it is not perfectly neutral.
The case for the Edifier R1280T: ASR’s review found useful moderate-level bass output from an inexpensive powered pair. The catch: Preference scores of 2.41 standalone and 5.02 with an ideal subwoofer reflect substantial tonal limitations, not just missing bass.
Buy the JBL 305P MKII. It is rated higher for sound quality, and saving $179.01 with the Edifier R1280T does not make up for the sound-quality gap.
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Specifications Side By Side
| JBL 305P MKII | Edifier R1280T | |
|---|---|---|
| Price | $289.00 per pair | $109.99 per pair |
| Ranked | #17 of 100 in Medium Size Powered Bookshelf Speakers | #89 of 100 in Medium Size Powered Bookshelf Speakers |
| Dimensions | 11.7”H x 7.3”W x 9.1”D (297.2 x 185.4 x 231.1 mm) | 9.2”H x 7.7”W x 5.7”D (234 x 196 x 146 mm) |
| Frequency Response | 49 Hz - 20 kHz (+-3 dB) (Manufacturer specified) | 52Hz - 20kHz (Manufacturer specified) |
| Bass Extension (-3dB) | 50Hz (measured, Erin’s Audio Corner) | 63Hz (measured, Audio Science Review) |
| Bass Extension (-10dB) | 43Hz (measured, Erin’s Audio Corner) | 53.2Hz (derived, log-interpolated between spinorama.org -9dB/-12dB points) |
| Inputs | XLR, TRS | 2x RCA Input |
| Weight | 10.4 lbs (4.7 kg) each | 10.8 lbs (4.9 kg) |
| Drivers | 5” (127mm) woofer | 4” (102mm) woofer |
| App | No | No |
| Bluetooth | No | No |
| EQ | Yes (Room adjustment) | No |
| Amplifier Power | 81w Per Speaker | 42w RMS Total |
| Sensitivity | 91.1dB (measured at 0.3V/1m, Erin’s Audio Corner) | - |
| Spinorama Preference Score | 5.38 | 2.41 |
| Spinorama Preference Score with Perfect Sub | 7.52 | 5.02 |
| XLR Input | Yes | No |
| RCA Input | No | Yes |
| TRS Input | Yes | No |
| Optical Input | No | No |
| Coaxial Input | No | No |
| USB Input | No | No |
| HDMI Input | No | No |
| AES Input | No | No |
| Aux Input | No | No |
| Outputs | - | None |
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Prices on this page were last checked October 7, 2026 at 9:25 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
JBL 305P MKII: $289.00 per pair Amazon eBay
Older model: the JBL LSR305 (ranked lower, rated 4.2/5).
Same family: the JBL 306P MKII (larger bookshelf, rated 4.1/5) and the JBL 308P MKII (larger bookshelf, rated 4.4/5).
Pros: Erin’s Klippel data gives 5.38 standalone and 7.52 with an ideal subwoofer, with bass reaching -3dB around 51Hz. Broad horizontal coverage and reasonably smooth reflected sound support stable imaging across a desk. The existing review reports effective limiting and little sustained thermal compression, making it a strong budget-monitor option rather than just a speaker with a promising frequency curve. Measured bass extension of 50Hz (-3dB), with a measured sensitivity of 91.1dB.
Cons: The 3.3dB midrange span and rising response show it is not perfectly neutral. A port-related feature around 1.6kHz and some excess treble can be audible; the review recommends the treble-trim switch. Vertical crossover interference makes ear height important. Amplifier hiss may matter in very quiet nearfield use, and rear-port placement needs room-boundary adjustment.
Full JBL 305P MKII review and specifications →
| AES Input | No |
|---|---|
| Amplifier Power | 81w Per Speaker |
| App | No |
| Aux Input | No |
| Bass Extension (-10dB) | 43Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-3dB) | 50Hz (measured, Erin’s Audio Corner) |
| Bluetooth | No |
| Coaxial Input | No |
| Dimensions | 11.7”H x 7.3”W x 9.1”D (297.2 x 185.4 x 231.1 mm) |
| Drivers | 5” (127mm) woofer |
| EQ | Yes (Room adjustment) |
| Frequency Response | 49 Hz - 20 kHz (+-3 dB) (Manufacturer specified) |
| HDMI Input | No |
| Inputs | XLR, TRS |
| Optical Input | No |
| RCA Input | No |
| Sensitivity | 91.1dB (measured at 0.3V/1m, Erin’s Audio Corner) |
| Spinorama Preference Score | 5.38 |
| Spinorama Preference Score with Perfect Sub | 7.52 |
| TRS Input | Yes |
| USB Input | No |
| Weight | 10.4 lbs (4.7 kg) each |
| XLR Input | Yes |
- Links
- Reviews, Comparisons and Sound Samples
- Erin’s Audio Corner Review Measurements More from Erin’s Audio Corner →
- Audio Science Review Measurements More from Audio Science Review →
- Erin’s Audio Corner: LIVE! JBL 305P MkII Powered Studio Monitor Review
- DSAUDIO.review: DSAUDIO.review Focal Alpha 50 EVO vs JBL 305P MKII sound.DEMO More from DSAUDIOreview →
- DSAUDIO.review: JBL 305P MKII vs Yamaha HS5 6-Track Comparison
- DSAUDIO.review: DSAUDIO.review JBL 305P MKII vs KRK Classic 5 CL5G3 sound.DEMO
- DSAUDIO.review: JBL 305P MKII vs Adam Audio T5V 6-Track Comparison
- DSAUDIO.review: DSAUDIO.review Adam Audio A5X vs JBL 305P MKII sound.DEMO
- DSAUDIO.review: DSAUDIO.review Kali Audio LP-6 V2 (2nd Wave) vs JBL 305P MKII sound.DEMO
- DSAUDIO.review: DSAUDIO.review Edifier MR4 vs JBL 305P MKII sound.DEMO
- DSAUDIO.review: Kali Audio IN-5 vs JBL 305P MKII Sound & Frequency Response Comparison
- DSAUDIO.review: JBL 308P MKII vs JBL 305P MKII Sound & Frequency Response Comparison
- DSAUDIO.review: Neumann KH80 DSP vs JBL 305P MKII Sound & Frquency Response Comparison
- DSAUDIO.review: JBL 305P MKII vs PreSonus Eris E5 6-Track Comparison
- Erin’s Audio Corner Measurements (spinorama.org)
- Jasper Tech: Best Desktop Computer Speakers for Every Budget – 2026 More from Jasper Tech →
- Jasper Tech: Best Powered Bookshelf Speakers for Every Budget - 2025
- Jasper Tech: Are the iLoud Micro Monitor Pro the Best Studio Monitor Speakers for your Home Studio?
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Edifier R1280T: $109.99 per pair Amazon eBay
Pros: ASR’s review found useful moderate-level bass output from an inexpensive powered pair. Remote volume and bass/treble controls make it easy to use without separate amplification. Measured bass reaches -3dB around 63Hz. Measured bass extension of 63Hz (-3dB).
Cons: Preference scores of 2.41 standalone and 5.02 with an ideal subwoofer reflect substantial tonal limitations, not just missing bass. The response spans 5.5dB from 300Hz to 5kHz, and listening-window narrow-band deviation is 0.650. Resonances and treble unevenness affect reflected sound too. Listening height is important, and high-level compression changes the balance.
Full Edifier R1280T review and specifications →
| AES Input | No |
|---|---|
| Amplifier Power | 42w RMS Total |
| App | No |
| Aux Input | No |
| Bass Extension (-10dB) | 53.2Hz (derived, log-interpolated between spinorama.org -9dB/-12dB points) |
| Bass Extension (-3dB) | 63Hz (measured, Audio Science Review) |
| Bluetooth | No |
| Coaxial Input | No |
| Dimensions | 9.2”H x 7.7”W x 5.7”D (234 x 196 x 146 mm) |
| Drivers | 4” (102mm) woofer |
| EQ | No |
| Frequency Response | 52Hz - 20kHz (Manufacturer specified) |
| HDMI Input | No |
| Inputs | 2x RCA Input |
| Optical Input | No |
| Outputs | None |
| RCA Input | Yes |
| Spinorama Preference Score | 2.41 |
| Spinorama Preference Score with Perfect Sub | 5.02 |
| TRS Input | No |
| USB Input | No |
| Weight | 10.8 lbs (4.9 kg) |
| XLR Input | No |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
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