Short answer: the JBL 4305P. It ranks #16 of 61 powered bookshelf speakers by sound quality at $2200; the Genelec 8341A ranks #42 and costs $6590, so there is not much of a tradeoff to weigh.
What the JBL 4305P offers: Erin measured a 45Hz F3 and heard solid 40–50Hz in-room extension—excellent for a compact 5.25-inch active monitor. Tonality is neutral and non-fatiguing, vocal coloration is absent, imaging is precise, and the HDI horn maintains near-constant horizontal directivity above 2kHz. Each speaker is bi-amplified (125W LF + 25W HF), while USB, optical, balanced analog, AirPlay 2, Chromecast, Bluetooth and 24/192 wired interconnect make this an unusually complete system. Grilles caused no meaningful response penalty. Watch for: The limiter becomes conspicuous around 96dB: Erin measured about 8dB lost near 50Hz at the highest drive and achieved roughly 93dB unweighted at 2m in-room, so this is a near/midfield system rather than a high-output theater speaker. A baffle discontinuity produces a 1–2kHz directivity mismatch that cannot be corrected uniformly in the vertical plane; stay within about +/-5° of tweeter height. Soundstage depth and layering trailed the KEF Reference 1 Meta, and wireless speaker linking caps resolution at 24/96.
What the Genelec 8341A offers: CEA2034 spinorama shows an exceptionally flat on-axis response, within about +1.8dB/-2.2dB of the target curve, with excellent directivity control from the coaxial midrange/tweeter and dual 6.5” woofers. Tri-amplified design totals 550W across bass, mid, and treble sections. Watch for: The bass amplifier runs out of headroom well before the mid/treble sections, producing audible glitching/ticking distortion at higher volumes even at 1 meter - not well suited to larger rooms or higher playback levels as a result. No hard power switch, and it produces a loud static pop when AC power is cut. Very expensive at $6,590 per pair.
Buy the JBL 4305P. It ranks higher for sound quality than the Genelec 8341A and costs less, so there is no real case for the other one.
Specifications Side By Side
| JBL 4305P | Genelec 8341A | |
|---|---|---|
| Price | $2,200/pair | $6590 |
| Ranked | #16 of 61 in Large Size Powered Bookshelf Speakers | #42 of 61 in Large Size Powered Bookshelf Speakers |
| Bass Extension (-3dB) | 45Hz (measured, Erin’s Audio Corner) | 58Hz (measured, Audio Science Review) |
| Bass Extension (-10dB) | 40.5Hz (measured, Erin’s Audio Corner) | 40Hz (measured, Audio Science Review) |
| Sensitivity | Not applicable (active DSP loudspeaker) | - |
| Maximum Output | ~93dB at 2m in-room before limiting (measured, Erin’s Audio Corner) | - |
| Amplification | 300W system: 125W LF + 25W HF per speaker | - |
| Drivers | 5.25-inch pulp woofer; 1-inch annular compression driver | 2x 6.5" woofers, 3.5" midrange, 0.75" tweeter (coaxial mid/tweeter) |
| Dimensions | 13.2H x 8.3W x 8.8D inches | not published by manufacturer |
| Frequency Response | - | 338Hz - 37kHz (-6dB) (Manufacturer specified) |
| Weight | - | not published by manufacturer |
| App | - | No |
| EQ | - | Yes (Room adjustment) |
| DSP | - | No |
| Output Power | - | 550W total (250W bass, 150W mid, 150W treble) |
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- Focal Twin6 Be vs Genelec 8341A
- Genelec 8341A vs Adam Audio S2V
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The Two Speakers In Full
JBL 4305P: $2,200/pair Amazon JBL eBay
Pros: Erin measured a 45Hz F3 and heard solid 40–50Hz in-room extension—excellent for a compact 5.25-inch active monitor. Tonality is neutral and non-fatiguing, vocal coloration is absent, imaging is precise, and the HDI horn maintains near-constant horizontal directivity above 2kHz. Each speaker is bi-amplified (125W LF + 25W HF), while USB, optical, balanced analog, AirPlay 2, Chromecast, Bluetooth and 24/192 wired interconnect make this an unusually complete system. Grilles caused no meaningful response penalty.
Cons: The limiter becomes conspicuous around 96dB: Erin measured about 8dB lost near 50Hz at the highest drive and achieved roughly 93dB unweighted at 2m in-room, so this is a near/midfield system rather than a high-output theater speaker. A baffle discontinuity produces a 1–2kHz directivity mismatch that cannot be corrected uniformly in the vertical plane; stay within about +/-5° of tweeter height. Soundstage depth and layering trailed the KEF Reference 1 Meta, and wireless speaker linking caps resolution at 24/96.
Full JBL 4305P review and specifications →
| Amplification | 300W system: 125W LF + 25W HF per speaker |
|---|---|
| Bass Extension (-10dB) | 40.5Hz (measured, Erin's Audio Corner) |
| Bass Extension (-3dB) | 45Hz (measured, Erin's Audio Corner) |
| Dimensions | 13.2H x 8.3W x 8.8D inches |
| Drivers | 5.25-inch pulp woofer; 1-inch annular compression driver |
| Maximum Output | ~93dB at 2m in-room before limiting (measured, Erin's Audio Corner) |
| Sensitivity | Not applicable (active DSP loudspeaker) |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
Genelec 8341A: $6590 Bhphotovideo eBay
Pros: CEA2034 spinorama shows an exceptionally flat on-axis response, within about +1.8dB/-2.2dB of the target curve, with excellent directivity control from the coaxial midrange/tweeter and dual 6.5” woofers. Tri-amplified design totals 550W across bass, mid, and treble sections.
Cons: The bass amplifier runs out of headroom well before the mid/treble sections, producing audible glitching/ticking distortion at higher volumes even at 1 meter - not well suited to larger rooms or higher playback levels as a result. No hard power switch, and it produces a loud static pop when AC power is cut. Very expensive at $6,590 per pair.
Full Genelec 8341A review and specifications →
| App | No |
|---|---|
| Bass Extension (-10dB) | 40Hz (measured, Audio Science Review) |
| Bass Extension (-3dB) | 58Hz (measured, Audio Science Review) |
| DSP | No |
| Dimensions | not published by manufacturer |
| Drivers | 2x 6.5" woofers, 3.5" midrange, 0.75" tweeter (coaxial mid/tweeter) |
| EQ | Yes (Room adjustment) |
| Frequency Response | 338Hz - 37kHz (-6dB) (Manufacturer specified) |
| Output Power | 550W total (250W bass, 150W mid, 150W treble) |
| Weight | not published by manufacturer |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons