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Product Highlights:

Slim 1RU Design
DriveCore Technology
Flexible Input Routing
Integrated Life-Safety Circuitry
Feedback and Protection Circuits
Fanless Cooling
Universal Power Supply

Crown® ComTech DriveCore amplifiers provide state-of-the-arttechnology for installed sound applications. The ComTech amplifiers provide noiseless operation and small footprint with excellent quality and performance.


A signal-to-noise ratio of better than 110dB
Total harmonic distortion below 0.05% across the full audio bandwidth
Greater than 70dB crosstalk
Frequency response of ±0.5dB
Up to 8 channels in a single rack-space
Weight of only 10 pounds (4.54 Kg)
Over 90% efficient in the DriveCore amplifier stage
Power consumption of less than 1W when not in use (In Deep Sleep)
Green Mode delivers power when needed. Amplifier efficency increases
by up to 10% when compared to typical class D amplifiers

The XLS Series of power amplifiers from Crown represents a new era in affordable, quality power amplification.

XLS Series amplifiers are professional Stereo power amplifiers engineered to meet demanding Audio requirements - reliably and within budget. Every XLR Series Amplifier is backed by Crown's unequaled three-year, no-fault, fully transferable warranty that covers everything.

With over five decades of experience designing and building rock-solid products, Crown is the standard in Amplifier technology. So check out the affordable Crown XLS Series.

Crown CT4150 Specifications:

Sensitivity: 1.4V
RATED POWER OUTPUT: 125W per Channel into 8 Ohms
Signal to Noise Ratio (below rated power 20Hz to 20kHz, A-Weighted): 110dB
Total Harmonic Distortion (THD) (full rated power, 20Hz - 20kHz): < 0.05%
INTERMODULAR DISTORTION (from 0dB down to -40dB): < 0.05%
Frequency Response (at 1W into 4/8 Ohms): +/- 0.5dB
CROSSTALK (below rated power 20Hz to 1kHz): > 70dB
COMMON MODE REJECTION (20Hz to 1kHz): > 55dB, typically > 70dB
DIMENSION (H x W x D): 1.75" x 19" x 14.25"
NET WEIGHT: 10 lbs/4.54 kg
NET SHIPPING WEIGHT: 15 lbs/6.8 kg

Crown CT4150

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