Short answer: the Wharfedale Aura 2 if sound quality matters most, the Ascend CBM-170 SE2 if price matters most. The Wharfedale Aura 2 ranks #13 of 130 bookshelf speakers at $2799. The Ascend CBM-170 SE2 ranks #66 at $468, $2331 cheaper.
What the Ascend CBM-170 SE2 offers: On-axis response is impressively flat from about 100Hz to 2kHz, staying within roughly ±1dB, with a clean, gradual bass rolloff below that. The directivity index rises smoothly and predictably through the crossover region, and the estimated in-room response shows a smooth, consistent downward tilt from 100Hz to 10kHz with no major discontinuities - close to the ideal in-room target shape. Measured sensitivity of 86.8dB nearly matches Ascend’s 87dB spec. The manufacturer’s own preference-score modeling comes out to 5.81 unequalized (rising to 8.17 with an ideal subwoofer, or 6.33/8.41 with EQ applied) - a strong result for a compact 2-way, and a clear step up from the original CBM-170 SE this replaces. Watch for: A narrow dip in the on-axis and listening-window response appears in the 3-5kHz range (down to about -2.7dB), mirrored by a matching dip in the directivity index at the same frequencies - likely a brief widening of dispersion right at the tweeter/woofer crossover. High-frequency directivity narrows substantially above 10kHz, typical for a small dome tweeter, so the top octave will sound more reserved off-axis than on-axis. Bass rolls off as expected for a compact 2-way monitor: -3dB around 70Hz and -10dB around 50Hz, so a subwoofer is needed for full-range use. This data comes from the manufacturer’s own Klippel measurements rather than an independent third-party review, so there’s no outside verification of channel matching, distortion, or unit-to-unit consistency.
What the Wharfedale Aura 2 offers: Three-way “mini tower” design with a 27x90mm AMT tweeter, 4” mid-range, and 6.5” midwoofer, using an unusual bottom-firing port. Nearly “ruler flat” on-axis linearity (within about 1.5dB for most of the range) apart from one specific breakup point. Exceptional output capability with very low distortion even at high volume - the reviewer reached about 100dB average at 10 feet with no audible strain, outperforming rivals like the KEF LS50 Meta in multitone distortion above 1kHz. Wide horizontal radiation of about ±70° combined with excellent imaging and pair matching - passed demanding stereo-separation test tracks with precise instrument placement. Bass reaches a genuine 40Hz in most rooms, potentially eliminating the need for a subwoofer for material that doesn’t demand extreme sub-bass. About 20dB of usable dynamic range with no compression issues at 96dB/1m. Considered by the reviewer one of the best speakers he’s tested, potentially challenging his personal all-time top five. Watch for: A breakup/peak around 13kHz can sound sharp or shrill depending on the track, the main tonal flaw noted. Minor midbase-to-midrange balance discrepancy (about 1dB), most noticeable if the speaker sits more than about 2 feet from the rear wall. Vertical listening window is narrower than typical, a consequence of the AMT ribbon tweeter’s tall physical size - staying within about ±15-20° of the tweeter reference axis (or slightly below it) is important. Impedance dips to about 3.1 ohms with a 1.4-ohm minimum EPDR, meaning a dedicated amplifier is recommended over an AVR due to potential power-supply strain. Distortion rises at the very lowest frequencies (an expected limitation of a 6.5” woofer), and the woofer audibly struggles with extreme 30-35Hz content at high volume. Horizontal directivity narrows from about ±70° to ±50° above roughly 6-7kHz as the ribbon tweeter’s pattern collapses inward.
Buy the Ascend CBM-170 SE2 if the price is the priority over sound quality, or the Wharfedale Aura 2 if sound quality is the priority over the price.
Want more options? Browse the full Passive Home rankings.
Specifications Side By Side
| Ascend CBM-170 SE2 | Wharfedale Aura 2 | |
|---|---|---|
| Price | $468 per pair | $2799 per pair |
| Ranked | #66 of 130 in Large Size Bookshelf Speakers | #13 of 130 in Large Size Bookshelf Speakers |
| Bass Extension (-3dB) | 70Hz (measured, manufacturer spinorama data) | 56Hz (measured, Erin's Audio Corner) |
| Bass Extension (-10dB) | 50Hz (measured, manufacturer spinorama data) | 30Hz (measured, Erin's Audio Corner) |
| Sensitivity | 86.8dB (2.83V/1m, measured, manufacturer spinorama data; 87dB manufacturer specified) | 87dB (measured, Erin's Audio Corner) |
| Drivers | 27mm custom SEAS soft dome tweeter, 6.5" proprietary composite polygel cone woofer | 6.5" Black Glass Fibre Matrix Cone woofer, 4" Black Glass Fibre Matrix Cone midrange, 27x90mm AMT tweeter |
| Dimensions | 12H x 9W x 9.5D in | 22.1"H x 11.3"W x 15.3"D (561.3 x 287 x 388.6 mm) |
| Weight | 15 lbs (6.8 kg) each | 45 lbs (20.4 kg) each |
| Impedance | 8 ohms | 6 ohms nominal (3.1 ohms minimum above 80Hz, measured, Erin's Audio Corner) |
| Power Handling | 200W continuous, 400W peak | - |
| Woofer Cabinet | ported, rear | ported, rear |
| Spinorama Preference Score | 5.81 | 5.19 |
| Spinorama Preference Score with Perfect Sub | 8.17 | 6.81 |
Related Speaker Comparisons
How Wharfedale Aura 2 compares with other leading options:
- Wharfedale Aura 2 vs Perlisten S4b
- KEF Reference 1 Meta vs Wharfedale Aura 2
- Wharfedale Aura 2 vs GR-Research NX-Studio
- Wharfedale Aura 2 vs March Audio Sointuva AWG
- AsciLab C6B vs Wharfedale Aura 2
Prices on this page were last checked September 16, 2026 at 12:41 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.
As an eBay Partner, we may be compensated if you make a purchase.
The Two Speakers In Full
Ascend CBM-170 SE2: $468 per pair Ascend Acoustics eBay
Pros: On-axis response is impressively flat from about 100Hz to 2kHz, staying within roughly ±1dB, with a clean, gradual bass rolloff below that. The directivity index rises smoothly and predictably through the crossover region, and the estimated in-room response shows a smooth, consistent downward tilt from 100Hz to 10kHz with no major discontinuities - close to the ideal in-room target shape. Measured sensitivity of 86.8dB nearly matches Ascend’s 87dB spec. The manufacturer’s own preference-score modeling comes out to 5.81 unequalized (rising to 8.17 with an ideal subwoofer, or 6.33/8.41 with EQ applied) - a strong result for a compact 2-way, and a clear step up from the original CBM-170 SE this replaces. Measured sensitivity of 86.8dB.
Cons: A narrow dip in the on-axis and listening-window response appears in the 3-5kHz range (down to about -2.7dB), mirrored by a matching dip in the directivity index at the same frequencies - likely a brief widening of dispersion right at the tweeter/woofer crossover. High-frequency directivity narrows substantially above 10kHz, typical for a small dome tweeter, so the top octave will sound more reserved off-axis than on-axis. Bass rolls off as expected for a compact 2-way monitor: -3dB around 70Hz and -10dB around 50Hz, so a subwoofer is needed for full-range use. This data comes from the manufacturer’s own Klippel measurements rather than an independent third-party review, so there’s no outside verification of channel matching, distortion, or unit-to-unit consistency.
Full Ascend CBM-170 SE2 review and specifications →
| Bass Extension (-10dB) | 50Hz (measured, manufacturer spinorama data) |
|---|---|
| Bass Extension (-3dB) | 70Hz (measured, manufacturer spinorama data) |
| Dimensions | 12H x 9W x 9.5D in |
| Drivers | 27mm custom SEAS soft dome tweeter, 6.5" proprietary composite polygel cone woofer |
| Impedance | 8 ohms |
| Power Handling | 200W continuous, 400W peak |
| Sensitivity | 86.8dB (2.83V/1m, measured, manufacturer spinorama data; 87dB manufacturer specified) |
| Spinorama Preference Score | 5.81 |
| Spinorama Preference Score with Perfect Sub | 8.17 |
| Weight | 15 lbs (6.8 kg) each |
| Woofer Cabinet | ported, rear |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- Ascend CBM-170 SE2 vs Polk Signature Elite ES20
- Ascend CBM-170 SE2 vs Dynaudio Contour 20i
- Ascend CBM-170 SE2 vs Klipsch RP-600M II
- Ascend CBM-170 SE2 vs Dynaudio Emit 20
- Ascend CBM-170 SE2 vs Philharmonic BMR Monitor
- Ascend CBM-170 SE2 vs ELAC DBR62
- Ascend CBM-170 SE2 vs Mission LX-3 MKII
- Ascend CBM-170 SE2 vs GR-Research X-LS Encore
- See all 44 comparisons
Wharfedale Aura 2: $2799 per pair Crutchfield eBay
Pros: Three-way “mini tower” design with a 27x90mm AMT tweeter, 4” mid-range, and 6.5” midwoofer, using an unusual bottom-firing port. Nearly “ruler flat” on-axis linearity (within about 1.5dB for most of the range) apart from one specific breakup point. Exceptional output capability with very low distortion even at high volume - the reviewer reached about 100dB average at 10 feet with no audible strain, outperforming rivals like the KEF LS50 Meta in multitone distortion above 1kHz. Wide horizontal radiation of about ±70° combined with excellent imaging and pair matching - passed demanding stereo-separation test tracks with precise instrument placement. Bass reaches a genuine 40Hz in most rooms, potentially eliminating the need for a subwoofer for material that doesn’t demand extreme sub-bass. About 20dB of usable dynamic range with no compression issues at 96dB/1m. Considered by the reviewer one of the best speakers he’s tested, potentially challenging his personal all-time top five. Measured bass extension of 56Hz (-3dB), with a measured sensitivity of 87dB.
Cons: A breakup/peak around 13kHz can sound sharp or shrill depending on the track, the main tonal flaw noted. Minor midbase-to-midrange balance discrepancy (about 1dB), most noticeable if the speaker sits more than about 2 feet from the rear wall. Vertical listening window is narrower than typical, a consequence of the AMT ribbon tweeter’s tall physical size - staying within about ±15-20° of the tweeter reference axis (or slightly below it) is important. Impedance dips to about 3.1 ohms with a 1.4-ohm minimum EPDR, meaning a dedicated amplifier is recommended over an AVR due to potential power-supply strain. Distortion rises at the very lowest frequencies (an expected limitation of a 6.5” woofer), and the woofer audibly struggles with extreme 30-35Hz content at high volume. Horizontal directivity narrows from about ±70° to ±50° above roughly 6-7kHz as the ribbon tweeter’s pattern collapses inward.
Full Wharfedale Aura 2 review and specifications →
| Bass Extension (-10dB) | 30Hz (measured, Erin's Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 56Hz (measured, Erin's Audio Corner) |
| Dimensions | 22.1"H x 11.3"W x 15.3"D (561.3 x 287 x 388.6 mm) |
| Drivers | 6.5" Black Glass Fibre Matrix Cone woofer, 4" Black Glass Fibre Matrix Cone midrange, 27x90mm AMT tweeter |
| Impedance | 6 ohms nominal (3.1 ohms minimum above 80Hz, measured, Erin's Audio Corner) |
| Sensitivity | 87dB (measured, Erin's Audio Corner) |
| Spinorama Preference Score | 5.19 |
| Spinorama Preference Score with Perfect Sub | 6.81 |
| Weight | 45 lbs (20.4 kg) each |
| Woofer Cabinet | ported, rear |
- Links
- Reviews, Comparisons and Sound Samples
- Erin’s Audio Corner: Why the Wharfedale AURA 2 Will Blow Your Mind More from Erin’s Audio Corner →
- Erin’s Audio Corner Website Wharfedale Aura 2
- Erin’s Audio Corner: Upgrade Your Sound with These 6 Surprisingly Affordable Speakers!
- Erin’s Audio Corner: My Personal Favorite Speakers Under $2500
- Erin’s Audio Corner Measurements (spinorama.org)
- Head-to-Head Comparisons
- Wharfedale Aura 2 vs KEF Q Concerto Meta
- Wharfedale Aura 2 vs KEF R3
- Wharfedale Aura 2 vs KEF R3 Meta
- Wharfedale Aura 2 vs Buchardt Audio E50
- Wharfedale Aura 2 vs MoFi SourcePoint 8
- Wharfedale Aura 2 vs Revel M106
- Wharfedale Aura 2 vs Audio First Cadentia 3
- Wharfedale Aura 2 vs AsciLab C6B
- See all 46 comparisons