WELCOME ! 

Thank you for you interest my product !

Symphonies Ver2  Tube Line preamplifier
Symphonies V2R Tubes Line preamplifier
Symphonies PLUS Tube Line preamplifier 
Symphonies PLUS-R  Tube Line preamplifier
BALANCED A1  Full Balanced Tube Line Preamplifier
 BALANCED A2  Full Balanced Tube Line Preamplifier
Concerto Tube Phono Stage EQ - Preamplifier
Concerto PLUS Tube Phono Stage EQ - Preamplifier   
Concerto PLUS-SE  Tubes Phono Stage Eq-Preampilier 
Concerto PLUS MC-SE Tubes Phono Stage Eq-Preampilier
BALANCED P1-M   Balanced Tube Phono Preamplifier 
 BALANCED P1-MC   Balanced Tube Phono Preamplifier   
SOLO-2 MC cartridge step-up amplifier

The above products are all in stock available. 

If , you are USA or Europe customer , you can direct purchase at "BUY ONLINE"
The payment by PayPal .
The shipping time about 7 days arrive.

If , you are other location customer , you can e-mail to me : info@ys-audio.com
I will send the invoice ( PayPal request money ) to you .


SONATAS  40W+40W Stereo Valve Tube Power Amplifier
SONATAS-SE  50W+ 50W ( FE-50 output transformer , 6550 version ) Stereo Valve Tube Power Amplifier
YSA100S-MK2    Full Balance Tube Mono Block Power Amplifier  
Reference 300P-2 Mono Block 300B Class A Push-Pull Power Amplifier 

The above products need to build after order placed.

Please, you send e-mail to me for order : info@ys-audio.com

The payment Methods:

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YS-Audio
Room1308, 13/F,BLK C,.  
Kai Tak FTY BLDG.   
99-101 King Fuk ST,.   
San Po Kong,   KLN,.
Hong Kong
Tel:(852)93440168    
E-mail : info@ys-audio.com