Short answer: the Ascend Acoustics ELX Ribbon Tower if sound quality matters most, the JBL Studio 698 if price matters most. The Ascend Acoustics ELX Ribbon Tower ranks #6 of 71 floorstanding speakers at $5698. The JBL Studio 698 ranks #21 at $699, $4999 cheaper.
What the JBL Studio 698 offers: 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. Watch for: 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.
What the Ascend Acoustics ELX Ribbon Tower offers: A RAAL 70-20xram ribbon tweeter and dual SEAS Excel aluminum woofers in a 3-way, 4-driver bamboo tower measure a genuine 38.7Hz extension point with a nearly flat on axis slope of 0.05dB per octave, among the best measured towers in this batch. The bass alignment Q of 0.62 keeps the low end well damped rather than peaky. Backed by a 7 year parts and labor warranty and hand assembled in Orange County, California, with each pair matched within +/-1.5dB. Watch for: Listening window smoothness measures a moderate 0.40 and on axis deviation runs 0.286dB average, both trailing the tighter figures posted by some of the passive AsciLab and Ascend bookshelf models in this same batch. At $5,698/pair it is Ascend’s most expensive tower, well above the Titan dome tweeter version of the same cabinet. The manufacturer’s own claimed sensitivity (87.5dB) runs nearly 1.5dB higher than the independently measured average (86.1dB), worth accounting for when matching an amplifier.
Buy the JBL Studio 698 if the price matters more than sound quality. Buy the Ascend Acoustics ELX Ribbon Tower if sound quality matters more than the price.
Still deciding? The full Passive Home rankings cover every ranked option.
Specifications Side By Side
| JBL Studio 698 | Ascend Acoustics ELX Ribbon Tower | |
|---|---|---|
| Price | $699.00 per pair | $5,698 per pair |
| Ranked | #21 of 71 in Large Size Floorstanding Speakers | #6 of 71 in Large Size Floorstanding Speakers |
| Bass Extension (-10dB) | 34Hz (measured, Erin's Audio Corner) | 28.5Hz (measured, spinorama.org vendor data) |
| Bass Extension (-3dB) | 53Hz (measured, Erin's Audio Corner) | 38.7Hz (measured, spinorama.org vendor data) |
| Dimensions | 41.7"H x 11.8"W x 15.7"D (1058 x 300 x 400 mm) | 43"H x 7.5"W x 10.5"D (1092 x 190 x 267 mm) |
| Impedance | 6 ohms nominal (4.1 ohms minimum above 80Hz, measured by Erin's Audio Corner) | 8 ohms nominal |
| Sensitivity | 90dB (measured average, Erin's Audio Corner) | 87.5dB @ 2.83V/1m anechoic (manufacturer) |
| Drivers | 1 in. High-Definition Imaging compression driver, 6 in. PolyPlas midrange, dual 8 in. PolyPlas woofers | RAAL 70-20xram ribbon tweeter, 6" SEAS Excel Curv midrange (sealed sub-chamber), 2x 6" SEAS Excel aluminum woofers |
| Weight | 78.9 lbs (35.8 kg) each | 56 lbs (25.4 kg) each |
| Woofer Cabinet | ported, rear | - |
| Spinorama Preference Score | 3.33 | 6.36 |
| Spinorama Preference Score with Perfect Sub | 5.27 | 7.81 |
| Enclosure | - | ported |
| Power Handling | - | 400W continuous, 600W peak |
| Frequency Response | - | 36-27,000Hz +/-3dB anechoic (manufacturer) |
| Warranty | - | 7 years parts and labor |
| Country | - | United States |
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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.
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The Two Speakers In Full
JBL Studio 698: $699.00 per pair Amazon Crutchfield eBay
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) |
| 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 | 3.33 |
| Spinorama Preference Score with Perfect Sub | 5.27 |
| Weight | 78.9 lbs (35.8 kg) each |
| Woofer Cabinet | ported, rear |
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Ascend Acoustics ELX Ribbon Tower: $5,698 per pair Ascend Acoustics eBay
Pros: A RAAL 70-20xram ribbon tweeter and dual SEAS Excel aluminum woofers in a 3-way, 4-driver bamboo tower measure a genuine 38.7Hz extension point with a nearly flat on axis slope of 0.05dB per octave, among the best measured towers in this batch. The bass alignment Q of 0.62 keeps the low end well damped rather than peaky. Backed by a 7 year parts and labor warranty and hand assembled in Orange County, California, with each pair matched within +/-1.5dB. Measured bass extension of 38.7Hz (-3dB).
Cons: Listening window smoothness measures a moderate 0.40 and on axis deviation runs 0.286dB average, both trailing the tighter figures posted by some of the passive AsciLab and Ascend bookshelf models in this same batch. At $5,698/pair it is Ascend’s most expensive tower, well above the Titan dome tweeter version of the same cabinet. The manufacturer’s own claimed sensitivity (87.5dB) runs nearly 1.5dB higher than the independently measured average (86.1dB), worth accounting for when matching an amplifier.
Full Ascend Acoustics ELX Ribbon Tower review and specifications →
| Bass Extension (-10dB) | 28.5Hz (measured, spinorama.org vendor data) |
|---|---|
| Bass Extension (-3dB) | 38.7Hz (measured, spinorama.org vendor data) |
| Country | United States |
| Dimensions | 43"H x 7.5"W x 10.5"D (1092 x 190 x 267 mm) |
| Drivers | RAAL 70-20xram ribbon tweeter, 6" SEAS Excel Curv midrange (sealed sub-chamber), 2x 6" SEAS Excel aluminum woofers |
| Enclosure | ported |
| Frequency Response | 36-27,000Hz +/-3dB anechoic (manufacturer) |
| Impedance | 8 ohms nominal |
| Power Handling | 400W continuous, 600W peak |
| Sensitivity | 87.5dB @ 2.83V/1m anechoic (manufacturer) |
| Spinorama Preference Score | 6.36 |
| Spinorama Preference Score with Perfect Sub | 7.81 |
| Warranty | 7 years parts and labor |
| Weight | 56 lbs (25.4 kg) each |
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- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
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