WELCOME TO UNDERGROUND SOUND AUDIO

We offer high-quality, hand build valve audio products.

Our mission is to manufacture quality valve amplifiers that deliver sonic excellence without costing the earth.

Our designs are leaning more towards old school looks to reflect the technology behind valve amplification.

Our philosophy on circuit design is to keep it as simple as possible without compromising on sound quality.

Our satisfaction comes from customers that get as much enjoyment out of our product as we do.

We are also the authorized agent and repairer for Meixing Ming Da tube amplifiers. Quality tube amplifiers made in China.