Ascend Acoustics CMT-340 SE2 Review: Ranked #23 of 158

Last updated: October 6, 2026

The Ascend Acoustics CMT-340 SE2 ranks #23 out of 158 total Large Size Bookshelf Speakers for sound quality. See all Passive Home rankings for every top pick.

Brand: Ascend Acoustics

Prices on this page were last checked October 6, 2026 at 10:23 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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#23 Ascend Acoustics CMT-340 SE2: $798 per pair Ascend Acoustics eBay

Older model: the Ascend Acoustics CMT-340 SE Center (rated 3.7/5).

Pros: High-quality manufacturer Klippel NFS data shows 0.295dB on-axis average absolute deviation, 0.531 listening-window smoothness, and a strong 7.99 preference score with a subwoofer. Its dual 6.5-inch woofers, 92dB anechoic sensitivity, and 240W continuous power rating support high output and dynamics. Measured bass extension of 77.6Hz (-3dB).

Cons: Bass rolls off early for the cabinet size, measuring 77.6Hz at -3dB, 64.5Hz at -6dB, and 48.3Hz at -12dB; the preference score without a subwoofer is only 5.33. The 4.35 sound-power directivity-index standard deviation also indicates more off-axis variation than the strongest designs, and the rear port needs placement clearance.

How it compares: Just above it: Arendal 1528 Monitor 8 - $5202 more, 7.6Hz lower bass extension (-3dB). Just below it: Wharfedale Super Linton - $1901 more, 3.8Hz lower bass extension (-3dB).

Bass Extension (-10dB)approximately 53Hz (measured, spinorama.org)
Bass Extension (-3dB)77.6Hz (measured, spinorama.org)
DIY KitNo
Dimensions21 x 7.5 x 10.5 in each
DriversTwo 6.5-inch woofers; 27mm soft-dome tweeter
Impedance8 ohms nominal
Power Handling240W continuous; 400W short-term peak
Sensitivity92dB at 2.83V/1m anechoic
Spinorama Preference Score5.33
Spinorama Preference Score with Perfect Sub7.99
Weight29.1 lbs (13.2 kg) each

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