Short answer: the Dynaudio Emit 30, comfortably. Its 2.5-way floorstanding layout pairs two 5.25” mid-woofers with a roughly 1” dome tweeter and dual rear bass-reflex ports, and while a dip in the 2-5kHz presence region makes the top end uneven, that is mild next to the Bose 901 Series V. Even with its required EQ, the Bose measured only about 81dB sensitivity with grossly non-flat response and very high distortion.
Buy the Dynaudio Emit 30. It is rated higher for sound quality; the Bose 901 Series V is no longer sold new.
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Specifications Side By Side
| Dynaudio Emit 30 | Bose 901 Series V | |
|---|---|---|
| Price | $1,274.25 per pair | Discontinued |
| Ranked | #50 of 74 in Large Size Floorstanding Speakers | #74 of 74 in Large Size Floorstanding Speakers |
| Bass Extension (-10dB) | 36Hz (measured, Erin’s Audio Corner) | 34.5Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-3dB) | 44Hz (measured, Erin’s Audio Corner) | 55.8Hz (measured, Erin’s Audio Corner) |
| Drivers | Dual 5.25” mid-woofers, 1” soft dome tweeter | Nine full-range drivers: eight rear-firing, one front-firing |
| Weight | 34.2 lbs (15.5 kg) | 35.3 lbs (16 kg) each |
| Sensitivity | 87dB | Approximately 81dB/2.83V/1m with tested EQ setting (measured, Erin’s Audio Corner) |
| Impedance | 4 ohms | 6.2 ohms minimum (measured, Erin’s Audio Corner) |
| Dimensions | 35.4”H x 6.7”W x 10.7”D (900.0 x 170.0 x 272.0 mm) | 21”H x 21”W x 12.6”D (533.4 x 533.4 x 320.7 mm) |
| Woofer Cabinet | ported, rear (dual) | - |
| Frequency Response | 44Hz - 25kHz (±3dB, manufacturer specified) | - |
| Power Handling | 180W (IEC rated) | - |
| Country | Denmark | - |
| Spinorama Preference Score | 3.84 | 0.43 |
| Spinorama Preference Score with Perfect Sub | 5.69 | 2.11 |
| DIY Kit | No | No |
| Bass Extension | - | Strongly dependent on supplied active equalizer and room (measured, Erin’s Audio Corner) |
| DSP | - | External analog active equalizer required |
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The Two Speakers In Full
Dynaudio Emit 30: $1,274.25 per pair Amazon eBay
Pros: A 2.5-way floorstander: two 5.25” mid-woofers paired with a roughly 1” dome tweeter, driven through dual rear bass-reflex ports. The two woofers hand off at staggered crossover points (around 1kHz and 3.5kHz) rather than sharing one, which avoids the acoustic lobing a shared crossover point would cause between the tweeter and the lower woofer, and adds a few dB of sensitivity in the process. Genuinely deep bass for a speaker around this price: measured F3 near 44Hz and extends audibly down to about 40Hz in-room without much difficulty. Harmonic distortion measures clean and low at both 86dB and 96dB SPL/1m. Good CTA-2034 sound power and uniform directivity mean the speaker takes EQ correction well if a listener wants to dial in its one tonal weak point. Dynamic range and compression performance are strong overall, with only a minor, high-Q compression artifact tied to a cone-edge resonance that’s unlikely to be audible. Wide, consistent horizontal dispersion around ±70° with just a small ~10° narrowing between 1-3kHz, and a reasonably forgiving ±20° vertical window centered on the tweeter axis. Measured bass extension of 44Hz (-3dB).
Cons: A dip and inconsistency in the lower-treble presence region (roughly 2-5kHz) makes the top end sound uneven (sometimes soft, sometimes forward) depending on the specific instrument or frequency being reproduced; male vocals can lack presence and cymbals can lack sizzle as a result. A cone-edge surround resonance shows up around 1-1.3kHz in burst-decay measurements (a trait the reviewer has also seen on other Dynaudio models) and lines up with elevated multitone distortion across roughly 600Hz-1.5kHz. An enclosure resonance appears around 350Hz in the impedance curve. Placed too close to a rear wall, the dual ports make the bass noticeably boomy: pulling the speaker out is needed to keep the low end from overloading the room. Fully resolving the top-end inconsistency needs a modest EQ correction (roughly +2dB with a Q of about 1, centered 3-6kHz), so out-of-the-box tonal accuracy in that band isn’t quite class-leading despite otherwise strong measured performance.
Full Dynaudio Emit 30 review and specifications →
| Bass Extension (-10dB) | 36Hz (measured, Erin’s Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 44Hz (measured, Erin’s Audio Corner) |
| Country | Denmark |
| DIY Kit | No |
| Dimensions | 35.4”H x 6.7”W x 10.7”D (900.0 x 170.0 x 272.0 mm) |
| Drivers | Dual 5.25” mid-woofers, 1” soft dome tweeter |
| Frequency Response | 44Hz - 25kHz (±3dB, manufacturer specified) |
| Impedance | 4 ohms |
| Power Handling | 180W (IEC rated) |
| Sensitivity | 87dB |
| Spinorama Preference Score | 3.84 |
| Spinorama Preference Score with Perfect Sub | 5.69 |
| Weight | 34.2 lbs (15.5 kg) |
| Woofer Cabinet | ported, rear (dual) |
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Bose 901 Series V Discontinued Amazon eBay
Pros: Historically distinctive direct/reflecting architecture uses eight rear-firing and one front-firing full-range drivers to create a very large, room-filling presentation. Erin measured a benign 6.2-ohm minimum impedance, so the raw electrical load is easier than many modern four-ohm speakers. The supplied active equalizer offers user-adjustable tonal balance and is integral to obtaining usable bandwidth. Measured bass extension of 55.8Hz (-3dB), with a measured sensitivity of 81dB.
Cons: Even with the required EQ, Erin measured only about 81dB sensitivity, grossly non-flat response, numerous impedance/resonance irregularities and very high distortion. Output above roughly 90-95dB at his seat became audibly poor; multitone testing reached only about 98dB before the distortion limit. The reflection-dominant radiation prevents precise imaging and makes results strongly room-dependent. It requires the proprietary equalizer and substantial amplifier power despite its benign impedance. Discontinued.
Full Bose 901 Series V review and specifications →
| Bass Extension | Strongly dependent on supplied active equalizer and room (measured, Erin’s Audio Corner) |
|---|---|
| Bass Extension (-10dB) | 34.5Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-3dB) | 55.8Hz (measured, Erin’s Audio Corner) |
| DIY Kit | No |
| DSP | External analog active equalizer required |
| Dimensions | 21”H x 21”W x 12.6”D (533.4 x 533.4 x 320.7 mm) |
| Drivers | Nine full-range drivers: eight rear-firing, one front-firing |
| Impedance | 6.2 ohms minimum (measured, Erin’s Audio Corner) |
| Sensitivity | Approximately 81dB/2.83V/1m with tested EQ setting (measured, Erin’s Audio Corner) |
| Spinorama Preference Score | 0.43 |
| Spinorama Preference Score with Perfect Sub | 2.11 |
| Weight | 35.3 lbs (16 kg) each |
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