Short answer: the JBL Studio 698 on value, the Ascend Sierra Titan Tower for a fuller tower. The JBL’s HDI horn and 1” compression driver provide excellent high-frequency directivity and a seamless handoff to the 6” PolyPlas midrange, all at $1,499.90 versus $2,998 for the Ascend. The Ascend tower reaches a measured 58.6Hz extension but posts the roughest listening window smoothness (0.34) of Ascend’s towers, while the JBL adds an 80Hz mid-bass bump.
Buy the Ascend Acoustics Sierra Titan Tower when sound quality outweighs the price for you, and the JBL Studio 698 when the price outweighs sound quality instead.
Want more options? Browse the full Passive Home rankings.
Specifications Side By Side
| Ascend Acoustics Sierra Titan Tower | JBL Studio 698 | |
|---|---|---|
| Price | $2,998 per pair | $1,499.90 per pair |
| Ranked | #30 of 89 in Large Size Floorstanding Speakers | #36 of 89 in Large Size Floorstanding Speakers |
| Enclosure | ported | - |
| Drivers | SEAS Titan dome tweeter, 1x 5.25” midrange (sealed sub-chamber), 2x 5.25” mineral filled polypropylene woofers | 1 in. High-Definition Imaging compression driver, 6 in. PolyPlas midrange, dual 8 in. PolyPlas woofers |
| Dimensions | 43”H x 7.5”W x 10.5”D (1092 x 190 x 267 mm) | 41.7”H x 11.8”W x 15.7”D (1058 x 300 x 400 mm) |
| Weight | 45 lbs (20.4 kg) each | 78.9 lbs (35.8 kg) each |
| Sensitivity | 88dB @ 2.83V/1m in-room (manufacturer) | 90dB (measured average, Erin’s Audio Corner) |
| Impedance | 8 ohms nominal | 6 ohms nominal (4.1 ohms minimum above 80Hz, measured by Erin’s Audio Corner) |
| Power Handling | 300W continuous, 500W peak | - |
| Frequency Response | 32-27,000Hz typical in-room (manufacturer) | - |
| Bass Extension (-3dB) | 58.6Hz (measured, spinorama.org vendor data) | 53Hz (measured, Erin’s Audio Corner) |
| Bass Extension (-10dB) | 34.6Hz (measured, spinorama.org vendor data) | 34Hz (measured, Erin’s Audio Corner) |
| Warranty | 7 years parts and labor | - |
| Country | United States | - |
| Spinorama Preference Score | 6.05 | 4.20 |
| Spinorama Preference Score with Perfect Sub | 8.00 | 6.14 |
| DIY Kit | No | No |
| Woofer Cabinet | - | ported, rear |
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Prices on this page were last checked October 4, 2026 at 9:58 PM 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
Ascend Acoustics Sierra Titan Tower: $2,998 per pair Ascend Acoustics eBay
Pros: A SEAS Titan dome tweeter and dual 5.25 inch long throw woofers in a bamboo V-LAM tower reach a measured 58.6Hz extension point at a more accessible price than Ascend’s ribbon tweeter ELX line. The bass alignment Q of 0.72 keeps the low end reasonably well controlled. Backed by the same 7 year parts and labor warranty and hand matched +/-1.5dB pairs, each shipped with its own production line frequency response printout. Measured bass extension of 58.6Hz (-3dB).
Cons: Its listening window response is the least smooth of Ascend’s measured towers, trailing the pricier ELX Ribbon Tower. Sound power response falls off more steeply above the crossover than the ribbon version, so off axis and in room treble energy rolls off faster. Ascend sells direct only, with no dealer network or third party retailers for an in person audition.
Full Ascend Acoustics Sierra Titan Tower review and specifications →
| Bass Extension (-10dB) | 34.6Hz (measured, spinorama.org vendor data) |
|---|---|
| Bass Extension (-3dB) | 58.6Hz (measured, spinorama.org vendor data) |
| Country | United States |
| DIY Kit | No |
| Dimensions | 43”H x 7.5”W x 10.5”D (1092 x 190 x 267 mm) |
| Drivers | SEAS Titan dome tweeter, 1x 5.25” midrange (sealed sub-chamber), 2x 5.25” mineral filled polypropylene woofers |
| Enclosure | ported |
| Frequency Response | 32-27,000Hz typical in-room (manufacturer) |
| Impedance | 8 ohms nominal |
| Power Handling | 300W continuous, 500W peak |
| Sensitivity | 88dB @ 2.83V/1m in-room (manufacturer) |
| Spinorama Preference Score | 6.05 |
| Spinorama Preference Score with Perfect Sub | 8.00 |
| Warranty | 7 years parts and labor |
| Weight | 45 lbs (20.4 kg) each |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
JBL Studio 698: $1,499.90 per pair Crutchfield eBay
Older model: the JBL Studio 590 (ranked lower, rated 2.8/5).
Pros: High-Definition Imaging (HDI) horn waveguide paired with a 1” compression driver provides excellent high-frequency directivity control and seamless acoustic handoff to the 6” PolyPlas midrange. Dual 8” PolyPlas woofers deliver robust low-end authority with solid bass extension down to an F3 of 53Hz and F10 of 34Hz. High voltage sensitivity (90dB SPL at 2.83V/1m) and clean power handling provide effortless dynamic headroom and low distortion for home theater and music listening. Measured bass extension of 53Hz (-3dB), with a measured sensitivity of 90dB.
Cons: Measured response exhibits a prominent mid-bass emphasis bump around 80Hz that can sound overly thick or chesty in smaller rooms without DSP EQ. Treble response lacks top-octave ‘air’ above 12kHz compared to high-end dome or ribbon tweeters. Physically large, heavy cabinet (35.8 kg per speaker) requires careful room placement and a wide acoustic footprint.
Full JBL Studio 698 review and specifications →
| Bass Extension (-10dB) | 34Hz (measured, Erin’s Audio Corner) |
|---|---|
| Bass Extension (-3dB) | 53Hz (measured, Erin’s Audio Corner) |
| DIY Kit | No |
| Dimensions | 41.7”H x 11.8”W x 15.7”D (1058 x 300 x 400 mm) |
| Drivers | 1 in. High-Definition Imaging compression driver, 6 in. PolyPlas midrange, dual 8 in. PolyPlas woofers |
| Impedance | 6 ohms nominal (4.1 ohms minimum above 80Hz, measured by Erin’s Audio Corner) |
| Sensitivity | 90dB (measured average, Erin’s Audio Corner) |
| Spinorama Preference Score | 4.20 |
| Spinorama Preference Score with Perfect Sub | 6.14 |
| Weight | 78.9 lbs (35.8 kg) each |
| Woofer Cabinet | ported, rear |
- Links
- Reviews, Comparisons and Sound Samples
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