интересует,какой из них лучше по звучанию. мощность не главное.

Kenwood KA-300
   
Power output: 25 watts per channel into 8Ω (stereo)
Frequency response: 10Hz to 100kHz
Total harmonic distortion: 0.09%
Damping factor: 50
Input sensitivity: 2.5mV (MM), 150mV (line)
Signal to noise ratio: 78dB (MM), 100dB (line)
Output: 150mV (line)
Speaker load impedance: 4Ω to 16Ω
Dimensions: 400 x 139 x 341mm
Weight: 5kg

Technics SU-500
   
Power output: 40 watts per channel into 8Ω (stereo)
Frequency response: 5Hz to 70kHz
Total harmonic distortion: 0.05%
Damping factor: 50
Input sensitivity: 2.5mV (MM), 150mV (line)
Signal to noise ratio: 71dB (MM), 90dB (line)
Channel separation: 45dB (line)
Output: 150mV (line)
Speaker load impedance: 8Ω to 16Ω
Dimensions: 430 x 86 x 240mm
Weight: 4.7kg