AD4.320 Amplifier

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$1,199 $1,399


The Starke Sound AD4.320 is a true audiophile multichannel amp. Its unique ability to maintain consistent voicing while running in 4 channel, 3 channel, or 2 channel mode makes it perfect for home theater and critical 2 channel listening. Do you want to run a pair of stereo speaker? Simply bridge to two channels and enjoy 430 watts into 4 ohms. How about the front soundstage for your home theater? Bridge 2 channels and operate in 3 channel mode with consistent voicing across all 3 channels! Did I hear you want to add 4 Dolby Atmos channels? Operate in 4 channel mode and deliver 320 watts into 4 4ohm Atmos speakers to add amazing impact to your cinema experience. This amp is truly unique!

NS600 Module

To give the AD4 true audiophile performance, Starke Sound’s electronics team developed the innovative Class D NS600 amplification module. This in house custom built module is unique to the Starke brand and isn't available in any other amplifier. 

Two Toroidal Transformers 

They don't turn into amazing robots, but they do run cooler and more efficiently than their non-toroidal counterparts!


Chassis Mounted XLR and RCA Connections

The AD4.320 supports both balanced and unbalanced sources. Be confident that no matter your source the AD4.320 can make it sing!

Multichannel Flexibility

Combining the high efficiency of class D and the warm sound of class AB amplifiers, the AD4 also offers the flexibility of 4-channel or bridged 2 or 3-channel operation. The AD4 is a perfect combination of usability and performance.


Unique Designs Unique to Starke Sound

Starke Sound has leveraged its extensive engineering talent, lead by Dan Wiggins, to create innovative and unique products for over 10 years. This amplification technology and design can only be found in 1 place: the AD4.320.

 Output Power 225 W RMS at 8 Ω (4-channel output)
320 W RMS at 4 Ω (4-channel output)
430 W RMS at 4 Ω (BTL mode,2-channel output)
650 W RMS at 2 Ω (BTL mode, 2-channel output)
Class A power None
Amplifier type Hybrid
Frequency Response 5Hz - 100Khz  -1.5DB
Maximum output current per channel 16.5A/33A(Bridge)
Signal-To-Noise Ratio(SNR) 112dB, “A” weighted
Input terminals 4-Channel RCA Input
4-Channel XLR Input
Output terminals 4 pairs of Beryllium copper binding posts
Color options Black
Full Size W 17.7 x H 5.6 x D 13.4 inches (w/ foot& faceplate)
W 450 x H 142 x D 340mm (w/ foot& faceplate)
Weight 26.8 lbs(12.2kg)
Shipping size L 21.5 x W 16.9 x H 9.1 inches
L 545 x W 430 x H 232 mm
Shipping weight 29.8 lbs (13.5kg)

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