Short answer: the ELAC DB63 for the higher ranking, the Fosi Audio SP601 for the lower price. The ELAC DB63 ranks #20 of 47 bookshelf speakers at $500. The Fosi Audio SP601 ranks #45 at $399.99, $100.01 cheaper.
What the ELAC DB63 gets right: 1” aluminum dome tweeter with a distinctive partial-lens waveguide design paired with a 6.5” third-generation aramid fiber cone woofer. The tradeoff: A dip in the lower midrange (300-600Hz, about 1.5dB) reduces vocal warmth and can make voices sound slightly hollow.
On the Fosi Audio SP601 side: Two-way bookshelf design with a 6.5” paper/aluminum-alloy composite cone woofer and 1.5” silk dome tweeter. The catch: An unusually erratic, up-and-down frequency response (a scooped midrange followed by an upper-mid bump, a dip, another small bump.
Buy the ELAC DB63 if the ranking matters more than the price. Buy the Fosi Audio SP601 if the price matters more than the ranking.
Specifications Side By Side
| ELAC DB63 | Fosi Audio SP601 | |
|---|---|---|
| Price | $500 | $399.99 |
| Ranked | #20 of 47 in Large Size Bookshelf Speakers | #45 of 47 in Large Size Bookshelf Speakers |
| Bass Extension (-10dB) | 40Hz | - |
| Bass Extension (-3dB) | 76Hz | - |
| Dimensions | 13.3"H x 7.7"W x 11.7"D (337.8 x 195.6 x 297.2 mm) | 14.5"H x 9.1"W x 14.0"D (368.3 x 231.1 x 355.6 mm) |
| Impedance | 6 ohms | - |
| Sensitivity | 86dB | - |
| Drivers | 6.5" Aramid Fiber woofer, 1" soft dome tweeter | 6.5" woofer, 1.5" Silk Dome Tweeters |
| Weight | 17.2 lbs / 7.8 kg each | 11.5 lbs / 5.2 kg |
| Woofer Cabinet | Rear ported | - |
| App | - | No |
| Bluetooth | - | No |
| EQ | - | No |
| DSP | - | No |
| Output Power | - | 80w RMS Per Speaker |
The Two Speakers In Full
ELAC DB63: $500 Crutchfield Amazon
Pros: 1” aluminum dome tweeter with a distinctive partial-lens waveguide design paired with a 6.5” third-generation aramid fiber cone woofer, in a robustly built cabinet for the price. Shallow bass rolloff (F3 76Hz, F10 40Hz) allows placement close to a wall without excessive boominess, useful for smaller living rooms. Solid measured performance for the price: on-axis linearity within about 2.5dB, impedance dipping only to about 4.4 ohms (easily AVR-driven), and roughly 20-26dB of usable dynamic range. A clear improvement over its sibling ELAC DB62, which has a sibilance issue tied to the crossover that can’t be fixed with EQ. Wide horizontal radiation of about ±60°, giving a spacious soundstage. Distortion looks good at a moderate 86dB and still reasonable at 96dB. Takes well to EQ correction - the reviewer provides a specific filter set (a low-shelf boost at 650Hz plus peaking cuts/boosts at 550Hz, 660Hz, and 3kHz) that meaningfully smooths out its known deviations.
Cons: A dip in the lower midrange (300-600Hz, about 1.5dB) reduces vocal warmth and can make voices sound slightly hollow. A high-Q resonance around 650-750Hz shows up clearly in measurements, though the reviewer couldn’t reliably hear it in his own A/B testing. A dip around 2-3kHz (roughly 1-2dB) slightly reduces speech intelligibility and attack in the upper midrange. Directivity droops above about 2kHz as the midwoofer narrows toward its beaming frequency while the tweeter’s pattern behaves differently - an inherent trade-off of physically separated drivers that can’t be fully corrected without introducing other issues. Multitone distortion crosses the reviewer’s 3% threshold in the 200Hz-1kHz range, and adding a subwoofer at an 80Hz crossover only modestly reduces it. Toeing the speaker away from the listener loses noticeable top-end air and cymbal energy, giving a softer upper register. Practical loudness ceiling is around 90dB at typical listening distance before midrange distortion and bass attack begin to degrade. Still needs a subwoofer for extension below about 40Hz.
| Bass Extension (-10dB) | 40Hz |
|---|---|
| Bass Extension (-3dB) | 76Hz |
| Dimensions | 13.3"H x 7.7"W x 11.7"D (337.8 x 195.6 x 297.2 mm) |
| Drivers | 6.5" Aramid Fiber woofer, 1" soft dome tweeter |
| Impedance | 6 ohms |
| Sensitivity | 86dB |
| Weight | 17.2 lbs / 7.8 kg each |
| Woofer Cabinet | Rear ported |
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- ELAC DB63 vs ELAC Debut 2.0 B6.2
- ELAC DB63 vs Klipsch RP-600M II
- ELAC DB63 vs Revel Concerta2 M16
- ELAC DB63 vs Revel Performa M22
- ELAC DB63 vs Cerwin Vega LA165
- ELAC DB63 vs ELAC DBR62
- ELAC DB63 vs HiVi Swans 3.1A Sehlin Sound Solutions mod
- ELAC DB63 vs Polk Monitor XT20
- ELAC DB63 vs Polk R200
- ELAC DB63 vs Zu Audio Method
- Links
Fosi Audio SP601: $399.99 Fosiaudio Amazon
Pros: Two-way bookshelf design with a 6.5” paper/aluminum-alloy composite cone woofer and 1.5” silk dome tweeter. Bass reaches a respectable 60-70Hz in most rooms (F3 59Hz, F10 40Hz) for a budget bookshelf speaker. Distortion at 86dB and 96dB measures reasonably well at face value, and compression issues at extreme output are generally in line with what’s expected for a speaker at this price point. The overall tonal character can be substantially improved with basic EQ - the reviewer found a boost around 400Hz plus a cut around 4kHz brought it to an acceptable baseline.
Cons: An unusually erratic, up-and-down frequency response (a scooped midrange followed by an upper-mid bump, a dip, another small bump, then a strong 3-4dB peak around 4-7kHz) makes the speaker’s overall character genuinely hard to characterize - the reviewer compared the experience to a similarly disliked model, the Triangle Borea BR03, which has a comparably inconsistent response. The 4-7kHz peak gives a sharp, sibilant edge to S and T sounds in vocals. A strong diffraction dip around 4kHz followed by a peak can’t be fully corrected with EQ; the reviewer recommends sidewall absorption panels instead, since off-axis energy in the 2-7kHz range actually exceeds the direct sound reaching the listener. Multitone distortion becomes more noticeable and grainy at higher volumes, concentrated in the upper-midrange where hearing is most sensitive. A peaking distortion issue right at the crossover region suggests a possible combination of tweeter distortion and midwoofer/crossover-component strain. The enclosure sounds notably hollow when tapped, and a flashlight inspection suggested a lack of internal damping material, along with likely insufficient bracing. Vertical listening position is fairly tightly constrained around the tweeter axis. Still requires a subwoofer for real kick-drum impact and bass authority.
| App | No |
|---|---|
| Bluetooth | No |
| DSP | No |
| Dimensions | 14.5"H x 9.1"W x 14.0"D (368.3 x 231.1 x 355.6 mm) |
| Drivers | 6.5" woofer, 1.5" Silk Dome Tweeters |
| EQ | No |
| Output Power | 80w RMS Per Speaker |
| Weight | 11.5 lbs / 5.2 kg |
- Reviews, Comparisons and Sound Samples
- Links
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Product prices and availability were last checked August 9, 2026 at 6:57 AM UTC 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.