The new Amp Box S3 offers one stereo RCA input and delivers powerful and room-filling sound to every loudspeaker. The new PCB concept & sophisticated topology achieves less distortion and a better signal to noise ratio. We designed this amp to match the sound characteristics of a tube amplifier as close as possible. Amp Box S3 brings you a rich and musical sound with an analogue touch of warmth into your living room. It is also the perfect solution for your desktop nearfield monitor speakers due to its size and superior spacious sound stage.

Application examples:

• HiFi Amplifier for 10-15 m2 rooms
• Audiophile desktop nearfield monitor amp
• Streamer power amp upgrade
• Multiroom power amp solution
• Home cinema power amp upgrade
• In-wall or celing speaker amp

• NEW PCB concept and sophisticated topology
• NEW lower distortion and better signal to noise ratio
• Ultra compact audiophile design
• Advanced amplifier module

• Stereo input RCA
• Isolated speaker sockets
• Suitable for banana spade pin and bare wire connections
• Trigger input
• Trigger output for further Amp Box S3
• Metal casing protects against vibration and interference
• Front mounted on off switch
• Available in silver or black
• Made in Europe

Specifications:

Power output 2 x 23 W at 8 ohms 2 x 40 W at 4 ohms
Peak power 2 x 50 W at 4 ohms
Frequency response 20 Hz – 20 kHz (−0.7 dB at 4 ohms)
Channel separation > −68 dB at 20 kHz
Signal to noise ratio 87 dBV (100 dBV A weighted at 4 ohms)
Total harmonic distortion < 0.02% at 10 W / 4 ohms
Gain 31 dB
Input impedance 25 kohms

Speaker outputs 4 mm banana spades pins or bare wire
Trigger 12 V DC in and out 2 pole 2.5 mm jack
Power supply 20 V / 3 A DC (universal power supply)
Dimensions W x H x D 103 x 36 x 118 mm
Weight 385 g without power supply