Product parameters:
Product Name: A3PRO
Tube Model: 6K4
Interchangeable tubes include 6J1, 6J2, GE5654, 6J3, 6J4, 6J5, 6J1, 6AK5 and more.
Opamp Chip: NE5532P*2
Interchangeable OP Amplifier Chips: OPA2604, OPA2134, LM4562, JRC5532, etc.
Bluetooth Chip: Japanese JL (AC20BP04230-25C4), Bluetooth 5.0
Distortion Rate: 3%
Frequency Response Range: 20hz-20khz (±3db)
Signal-to-Noise Ratio: 98db
Tweeter adjustment range: ±6 db
Bass adjustment range: ±10db
Input mode: RCA
Supported Devices: Mobile Phone, Tablet, Computer, MP3, TV etc. You cant sing or play it in the previous phase of the game.
Output mode: active speaker or power amplifier + passive speaker
Operating Power: DC12V
Size: 118*95*30mm
Note:
Choose the color and power plug you need. Power supply is not included with selected unit.
This is a vacuum tube preamp, so you need to connect it to an active speaker or power amplifier.
It cannot be directly connected to speakers, passive speakers, headphones, phono amplifiers, cars, etc.