Fosi Audio Vacuum Tubes 7-PinEach package contains a pair of fully tested and matched vacuum tubes (2 PCS). 5654W vacuum tubes for T20, P1, P2, Box X2, Box X4. Substitute for 7 pin 6AK5 6AK5W 6Zh1P 6J1 6J1P tubes. It can also directly replace WE 403A 403B EF95 and ordinary 5654. 6J1, 6CB6A, 63N, 6J5, 65N tubes are compatible with audio devices such as BOX X2, BOX X4, P3, GR40, MC331, and T20X MKII. Note: Replacing the wrong type of tube may damage your amplifier. If you are not

Before Purchasing:Please check your old remote (DA2120C or DA2120A)

• One-Click Smart Noise Suppression: Equipped with advanced DSP chips

Home small Hi-Fi amp

and V3's operational amplifiers and can create different sound quality

Experience a musical journey through time

OPA2134PA Op-Amps

equivalent to an external sound card

holographic soundstage with studio-grade accuracy

and 24-Hour quick customer service

Multi-Functional: Simple yet versatile

Aluminum shell and Aluminum knob to sure high quality come to a 19V power supply that can fit with the amplifier well

Protection Function: Short Circuit Overcurrent Overload Overvoltage Protection Function