Vandersteen Treo CT

Vandersteen

Treo CT

Introduced 2015$9,900 MSRP

The Treo CT is a full-range, multi-driver floorstander from Vandersteen Audio featuring the brand's signature phase-coherent, first-order crossover design, a "cabinet-in-a-cabinet" enclosure, and a down-firing bass-reflex port. It's built around custom in-house drivers (carbon-dome tweeter, woven-composite midrange, mid-woofer, and long-fiber woofer) to deliver time-and-phase-correct performance often associated with Vandersteen's much costlier flagship models.

MSRP

$9,900

Used market · Excellent

$6,000

-39% vs MSRP
as of Aug 16, 2026

MSRP to used market

From $9,900 at launch to $6,000 today.

Specifications

Weight
80 lbs (27.2kg) each
Drivers
1-in carbon dome tweeter, 4.5-in reflection-free midrange, 6.5-in woven-fiber woofer, 8-in subwoofer driver
Crossover
Phase-coherent, impedance-compensated first-order crossover, 6dB/octave, crossover points at 80Hz, 900Hz, and 5-6kHz
Impedance
6–7 ohms nominal, 4 ohms minimum
Dimensions
10" W × 43" H × 15" D (25 × 107 × 38cm)
Sensitivity
85–86dB at 1m/2.83V
Cabinet type
Four-way, bass-reflex "cabinet-in-a-cabinet" construction with bottom-firing port; minimum-baffle design meant to sit close to the rear wall
Driver complement
1" carbon-dome tweeter (transmission-line loaded, ferrofluid-cooled); 4.5" tri-woven composite midrange; 6.5" woven-fiber mid-woofer with copper Faraday ring; 8" carbon-loaded cellulose tuned woofer with down-firing port
Frequency response
36Hz–40kHz, ±3dB
Recommended amplifier power
40–200W into 8 ohms

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