Short answer: the Boston Acoustics A25 on value, the Dynaudio Emit M10 on distortion. The M10 shows impressive, headphone-level distortion through the midrange and tweeter at 86dB SPL, but the reviewer says its boosted upper bass and treble with a recessed midrange miss the 100Hz-3kHz range he cares about. The A25 costs $500.02 less, despite a port resonance and a 900Hz peak.
Buy the Boston Acoustics A25 only if you find one used in good condition; both are discontinued, and it is the better rated of the two. For a new speaker, start with the Philharmonic Ceramic Mini instead.
Still deciding? The full Passive Home rankings cover every ranked option.
Specifications Side By Side
| Boston Acoustics A25 | Dynaudio Emit M10 | |
|---|---|---|
| Price | $299.98 per pair Discontinued | $800 per pair Discontinued |
| Ranked | #34 of 90 in Medium Size Bookshelf Speakers | #59 of 90 in Medium Size Bookshelf Speakers |
| Bass Extension (-3dB) | 90Hz (measured, Audio Science Review) | 60.1Hz (measured, Audio Science Review) |
| Bass Extension (-10dB) | 55Hz (measured, Audio Science Review) | 46.8Hz (derived, log-interpolated between spinorama.org -9dB/-12dB points) |
| Drivers | 1” Kortec soft dome tweeter, 5.25” ceramic/glass-fiber polymer mid/woofer | 28mm soft dome tweeter, 14cm MSP mid/bass driver |
| Dimensions | 10.7H x 7.25W x 8.9D in | 11.5”H x 6.7”W x 9.4”D (292 x 170 x 240 mm) |
| Weight | 10.1 lbs (4.58 kg) each | 12.3 lbs (5.6 kg) each |
| Frequency Response | 55Hz - 25kHz (Manufacturer specified) | 50Hz - 23kHz (+/-3dB) (Manufacturer specified) |
| Sensitivity | 85dB (2.83V/1m, measured, Audio Science Review) | 83.5dB (2.83V/1m, measured, Audio Science Review) |
| Impedance | 8 ohms nominal | 6 ohms nominal |
| Power Handling | 10-150W recommended | - |
| Woofer Cabinet | ported, rear | ported |
| Spinorama Preference Score | 3.53 | 4.56 (spinorama.org) |
| Spinorama Preference Score with Perfect Sub | 6.19 | 6.93 (spinorama.org) |
| DIY Kit | No | No |
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The Two Speakers In Full
Boston Acoustics A25: $299.98 per pair Discontinued eBay
Pros: CEA2034 spinorama is decent once you ignore a peak around 900Hz and a dip around 3kHz: directivity is good enough that the response can be EQed and won’t be too room-dependent. Cabinet fit and finish is well above its price class, and dynamics were strong with no distortion audible even at high volume on well-recorded material. Discontinued, but the reviewer suggests hunting for clearance pricing on remaining stock. Measured bass extension of 90Hz (-3dB), with a measured sensitivity of 85dB.
Cons: A crazy port resonance and a tweeter with a steeper rolloff than the woofer both show up in the near-field driver measurements, creating the 900Hz peak and the crossover-region dip. The rear port itself measured audibly distorted up close, though it wasn’t noticeable from normal listening distance in the reviewer’s room. Discontinued.
Full Boston Acoustics A25 review and specifications →
| Bass Extension (-10dB) | 55Hz (measured, Audio Science Review) |
|---|---|
| Bass Extension (-3dB) | 90Hz (measured, Audio Science Review) |
| DIY Kit | No |
| Dimensions | 10.7H x 7.25W x 8.9D in |
| Drivers | 1” Kortec soft dome tweeter, 5.25” ceramic/glass-fiber polymer mid/woofer |
| Frequency Response | 55Hz - 25kHz (Manufacturer specified) |
| Impedance | 8 ohms nominal |
| Power Handling | 10-150W recommended |
| Sensitivity | 85dB (2.83V/1m, measured, Audio Science Review) |
| Spinorama Preference Score | 3.53 |
| Spinorama Preference Score with Perfect Sub | 6.19 |
| Weight | 10.1 lbs (4.58 kg) each |
| Woofer Cabinet | ported, rear |
- Reviews, Comparisons and Sound Samples
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Dynaudio Emit M10: $800 per pair Discontinued eBay
Newer model: the Dynaudio Emit 10. It’s likely to perform similarly, though we don’t have measurements to confirm that yet.
Pros: CEA2034 spinorama shows impressive, headphone-level distortion through the midrange and tweeter at 86dB SPL, with a well-executed port that keeps resonance low below the crossover. 28mm soft dome tweeter and 14cm MSP mid/bass driver. Measured bass extension of 60.1Hz (-3dB), with a measured sensitivity of 83.5dB.
Cons: Tuned toward a mild showroom sound with boosted upper bass and treble and a recessed midrange: the reviewer prefers speakers that get the 100Hz-3kHz range right, which this doesn’t. His verdict: cheaper speakers deliver much more balanced tonality, so he wouldn’t buy it for himself. Discontinued.
Full Dynaudio Emit M10 review and specifications →
| Bass Extension (-10dB) | 46.8Hz (derived, log-interpolated between spinorama.org -9dB/-12dB points) |
|---|---|
| Bass Extension (-3dB) | 60.1Hz (measured, Audio Science Review) |
| DIY Kit | No |
| Dimensions | 11.5”H x 6.7”W x 9.4”D (292 x 170 x 240 mm) |
| Drivers | 28mm soft dome tweeter, 14cm MSP mid/bass driver |
| Frequency Response | 50Hz - 23kHz (+/-3dB) (Manufacturer specified) |
| Impedance | 6 ohms nominal |
| Sensitivity | 83.5dB (2.83V/1m, measured, Audio Science Review) |
| Spinorama Preference Score | 4.56 (spinorama.org) |
| Spinorama Preference Score with Perfect Sub | 6.93 (spinorama.org) |
| Weight | 12.3 lbs (5.6 kg) each |
| Woofer Cabinet | ported |
- Links
- Reviews, Comparisons and Sound Samples
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