The Krell Evolution (EVO) 402 is classic big-iron Krell—serious power, absolute control, and zero apologies. Delivering 400 watts per channel into 8 ohms (and doubling down as impedance drops), the EVO 402 grabs hold of speakers with vice-like authority, serving up thunderous bass, explosive dynamics, and a sense of scale that feels effortless no matter how hard you push it. Yet it’s not just brute force—the midrange is clean and confident, imaging is rock solid, and the overall presentation is commanding without being cold. Built like a tank and voiced with that unmistakable Krell swagger, the EVO 402 is the kind of amplifier that makes everything downstream sound bigger, bolder, and more alive. It doesn’t ask politely—it takes control of your system.
- Production
- 2006
- Condition
- 9/10
- Serial No.
- 58506110030
- Orig. MSRP
- $15000
- Restoration
- Thoroughly cleaned internal electronics
- Detailed exterior
- Performs at factory spec
- Factory Specs
Power Output: 400 W RMS (8 \(\Omega \)), 800 W RMS (4 \(\Omega \)), 1600 W RMS (2 \(\Omega \)) per channel
Frequency Response: 20 Hz to 20 kHz +0, –0.18 dB (<0.5 Hz to 120 kHz +0, –3 dB)
Signal to Noise Ratio: >106 dB (unweighted)
Total Harmonic Distortion (THD): <0.02% at 1 kHz (400 W, 8 \(\Omega \)), <0.15% at 20 kHz (400 W, 8 \(\Omega \))
Input Impedance: 100k \(\Omega \) (Single Ended), 200k \(\Omega \) (Balanced), 70 \(\Omega \) (CAST)
Inputs: 2 x RCA, 2 x XLR (Balanced), 2 x CAST (4-pin bayonet)
Outputs: 2 pairs of Krell binding posts
Gain: 25.4 dB.Damping Factor: >145 at 20 Hz (referred to 8 \(\Omega \))
Dimensions: 17.25 in. W x 9.75 in. H x 22.05 in. D
Weight: 135 lb. (unit), 150 lb. (shipped).
- Liner Notes
- The Krell Evolution (Evo) 402 is a high-end 400W per channel stereo power amplifier (8 Ohms) that delivers exceptional power and control, doubling to 1600W into 2 Ohms. It features Krell’s Active Cascode Topology to minimize feedback and uses a massive 5000 VA power supply, ensuring effortless, liquid sound and immense, stable output.
- Stock No.
- 9270396846301
The Krell Evolution (EVO) 402 is classic big-iron Krell—serious power, absolute control, and zero apologies. Delivering 400 watts per channel into 8 ohms (and doubling down as impedance drops), the EVO 402 grabs hold of speakers with vice-like authority, serving up thunderous bass, explosive dynamics, and a sense of scale that feels effortless no matter how hard you push it. Yet it’s not just brute force—the midrange is clean and confident, imaging is rock solid, and the overall presentation is commanding without being cold. Built like a tank and voiced with that unmistakable Krell swagger, the EVO 402 is the kind of amplifier that makes everything downstream sound bigger, bolder, and more alive. It doesn’t ask politely—it takes control of your system.
Production
2006
Condition
9/10
Serial No.
58506110030
Orig. MSRP
$15000
Restoration
- Thoroughly cleaned internal electronics
- Detailed exterior
- Performs at factory spec
Factory Specs
Power Output: 400 W RMS (8 \(\Omega \)), 800 W RMS (4 \(\Omega \)), 1600 W RMS (2 \(\Omega \)) per channel
Frequency Response: 20 Hz to 20 kHz +0, –0.18 dB (<0.5 Hz to 120 kHz +0, –3 dB)
Signal to Noise Ratio: >106 dB (unweighted)
Total Harmonic Distortion (THD): <0.02% at 1 kHz (400 W, 8 \(\Omega \)), <0.15% at 20 kHz (400 W, 8 \(\Omega \))
Input Impedance: 100k \(\Omega \) (Single Ended), 200k \(\Omega \) (Balanced), 70 \(\Omega \) (CAST)
Inputs: 2 x RCA, 2 x XLR (Balanced), 2 x CAST (4-pin bayonet)
Outputs: 2 pairs of Krell binding posts
Gain: 25.4 dB.Damping Factor: >145 at 20 Hz (referred to 8 \(\Omega \))
Dimensions: 17.25 in. W x 9.75 in. H x 22.05 in. D
Weight: 135 lb. (unit), 150 lb. (shipped).
Liner Notes
The Krell Evolution (Evo) 402 is a high-end 400W per channel stereo power amplifier (8 Ohms) that delivers exceptional power and control, doubling to 1600W into 2 Ohms. It features Krell’s Active Cascode Topology to minimize feedback and uses a massive 5000 VA power supply, ensuring effortless, liquid sound and immense, stable output.
Stock No.
9270396846301
