Q Acoustics 3020i vs Ascend Sierra 1 v2

Last updated: October 9, 2026

Short answer: the Ascend Sierra 1 v2. It ranks #3 of 160 bookshelf speakers by sound quality (rated 4.7/5) at $1,000 and is still sold new; the Q Acoustics 3020i ranks #132 (rated 2.4/5) and is discontinued, so it is only an option used. The Q Acoustics 3020i’s replacement, the Q Acoustics 3020c, is rated 2.6/5.

Q Acoustics 3020i vs Ascend Sierra 1 v2

What the Q Acoustics 3020i does well: UK-designed (Finkteam) with attractive styling, including recessed binding posts and custom connectors. The catch: On-axis response shows a rising upper-frequency trend and a dip in the 2-4kHz crossover region alongside two resonance-related dips; a significant resonance appears at 366Hz in the waterfall plot.

The Ascend Sierra 1 v2 is the more accurate, deeper-bass option. Formaldehyde-free layered bamboo ply cabinet with a 1” dome tweeter over a 5.25” midwoofer, mated by a 4th-order acoustic crossover rather than a stock textbook design. Its measured preference score, a predictor of how neutral it sounds, is 6.65 against 3.86 for the Q Acoustics 3020i. Its bass reaches about 55Hz before falling 3dB, against 82Hz for the Q Acoustics 3020i. The catch: F3 of 55Hz and F10 of 39Hz mean in-room extension tops out in the mid-40s Hz; the reviewer still recommends a subwoofer for full-range material.

Buy the Ascend Sierra 1 v2. It is rated higher for sound quality, and the Q Acoustics 3020i is discontinued, so it is only available used.

Want more options? Browse the full Passive Home rankings.

Specifications Side By Side

Q Acoustics 3020i Ascend Sierra 1 v2
Price$314.99 per pair Discontinued$1000 per pair
Ranked#132 of 160 in Medium Size Bookshelf Speakers#3 of 160 in Medium Size Bookshelf Speakers
Drivers125mm (5”) bass driver, 22mm (0.9”) tweeter5.25” proprietary mineral-filled polypropylene cone with cast aluminum frame woofer, 26mm aluminum/magnesium alloy dome tweeter with titanium former (SEAS Titan)
Dimensions10.9”H x 6.7”W x 11.1”D (278 x 170 x 282 mm)14.2”H x 7.5”W x 10.5”D (361.9 x 190.5 x 266.7 mm)
Weight10.6 lbs (4.8 kg) each18.5 lbs (8.4 kg) each
Sensitivity86dB (2.83V/1m, manufacturer specified)81.5dB (measured, Erin’s Audio Corner)
Crossover Frequency2.4kHz-
Impedance6 ohms nominal, 4 ohms minimum8 ohms nominal, 7 ohms minimum (measured, Erin’s Audio Corner)
Woofer Cabinetported, reflexported
Bass Extension (-3dB)82.0Hz (measured, Audio Science Review)55Hz (measured, Erin’s Audio Corner)
Bass Extension (-10dB)49.8Hz (measured, Audio Science Review)39Hz (measured, Erin’s Audio Corner)
Spinorama Preference Score3.866.65
Spinorama Preference Score with Perfect Sub6.388.61
DIY KitNoNo

How Ascend Sierra 1 v2 compares with other leading options:

Prices on this page were last checked October 9, 2026 at 8:01 AM 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

Q Acoustics 3020i: $314.99 per pair Discontinued eBay

Q Acoustics 3020i ranking card

Newer model: the Q Acoustics 3020c, ranked higher, estimated 2.6/5.

Same family: the Q Acoustics 3030i (larger bookshelf, rated 4/5).

Pros: UK-designed (Finkteam) with attractive styling, including recessed binding posts and custom connectors. Vertical directivity is good enough that the tweeter doesn’t need to be exactly at ear level. With EQ correction, especially high-frequency shelving and a sub-40Hz high-pass filter, Amir found performance “improves substantially.”. Measured bass extension of 82.0Hz (-3dB).

Cons: On-axis response shows a rising upper-frequency trend and a dip in the 2-4kHz crossover region alongside two resonance-related dips; a significant resonance appears at 366Hz in the waterfall plot. Horizontal directivity is narrow and uneven due to a woofer/tweeter beamwidth mismatch. Amir cautions the speaker is “merely a distortion generator” if played too low, and its low impedance demands a quality amplifier. Without EQ, Amir “can’t recommend the Q Acoustics 3020i.”. Discontinued; Q Acoustics now sells the Q Acoustics 3030i and Q Acoustics 3010c in its place.

Bass Extension (-10dB)49.8Hz (measured, Audio Science Review)
Bass Extension (-3dB)82.0Hz (measured, Audio Science Review)
Crossover Frequency2.4kHz
DIY KitNo
Dimensions10.9”H x 6.7”W x 11.1”D (278 x 170 x 282 mm)
Drivers125mm (5”) bass driver, 22mm (0.9”) tweeter
Impedance6 ohms nominal, 4 ohms minimum
Sensitivity86dB (2.83V/1m, manufacturer specified)
Spinorama Preference Score3.86
Spinorama Preference Score with Perfect Sub6.38
Weight10.6 lbs (4.8 kg) each
Woofer Cabinetported, reflex

Ascend Sierra 1 v2: $1000 per pair Ascend Acoustics eBay

Ascend Sierra 1 v2 ranking card

Same family: the Ascend Acoustics Sierra-2EX V2 (larger bookshelf, rated 4.3/5), the Ascend Acoustics Sierra-LX (larger bookshelf, rated 4.3/5), the Ascend Acoustics Sierra Titan Tower (floorstanding, rated 4.4/5) and the Ascend Acoustics Sierra Horizon V2 (center, estimated 4.3/5).

Pros: Formaldehyde-free layered bamboo ply cabinet with a 1” dome tweeter over a 5.25” midwoofer, mated by a 4th-order acoustic crossover rather than a stock textbook design. In-room response is extremely linear (the reviewer called it “textbook”) a clear step up from the earlier V1, which had boxiness around 700Hz-1kHz and sibilance around 4-6kHz. Preference score of 8.4 with a subwoofer (6.8 without), which the reviewer calls topnotch. Wide, even horizontal radiation of about ±70° up to 6kHz. Better vertical directivity than its tweeter-to-woofer spacing would suggest, thanks to the steep 4th-order crossover slopes. No mechanical noise, port chuffing, or woofer bottoming even driven to 96dB/1m. In a three-way comparison against the Dynaudio Emit 20 and a Revel bookshelf model (all around $1,000/pair), measured as the most linear of the three and was the reviewer’s personal pick over both, despite the Dynaudio’s deeper bass and higher output capability. Independent ASR Klippel measurements corroborate Erin’s findings: superb off-axis response with only slight on-axis variations, and an in-room response the reviewer called “incredibly smooth and accurate. Amazing for a non-DSP speaker.” Distortion above 200Hz at 86dB/1m is very low for the class. Measured bass extension of 55Hz (-3dB), with a measured sensitivity of 81.5dB.

Cons: F3 of 55Hz and F10 of 39Hz mean in-room extension tops out in the mid-40s Hz; the reviewer still recommends a subwoofer for full-range material. Diffraction dips appear around 3kHz and 5-6kHz, and the 1” dome tweeter starts beaming above roughly 6.7kHz, narrowing the soundstage radiation in the top octave: a straightforward consequence of dome size rather than a design flaw. At 96dB/1m the 5.25” midwoofer shows increased distortion in the midrange, likely tied to motor topology; high-passing to a subwoofer around 80Hz largely clears it up. Moderate sensitivity (~81-82dB average) with a 7-ohm minimum impedance. ASR’s power-sweep testing found response holds steady up to 96dB SPL/1m, but pushing to 102dB causes midbass below 400Hz to sag with distortion “through the roof”: a harder output ceiling than the 96dB tests alone suggest. Vertical directivity also narrows above about 1kHz, so the reviewer recommends staying at tweeter-axis height for best results.

Bass Extension (-10dB)39Hz (measured, Erin’s Audio Corner)
Bass Extension (-3dB)55Hz (measured, Erin’s Audio Corner)
DIY KitNo
Dimensions14.2”H x 7.5”W x 10.5”D (361.9 x 190.5 x 266.7 mm)
Drivers5.25” proprietary mineral-filled polypropylene cone with cast aluminum frame woofer, 26mm aluminum/magnesium alloy dome tweeter with titanium former (SEAS Titan)
Impedance8 ohms nominal, 7 ohms minimum (measured, Erin’s Audio Corner)
Sensitivity81.5dB (measured, Erin’s Audio Corner)
Spinorama Preference Score6.65
Spinorama Preference Score with Perfect Sub8.61
Weight18.5 lbs (8.4 kg) each
Woofer Cabinetported