Mini HiFi Digital Audio Power Amplifier Stereo Amp with Dual 6J2 Vacuum Tubes 100W(50W*2)

Features:
This power amplifier can be connected with passive speaker to get powerful HiFi music. 
Dual classical 6J2 tubes gives you warm and powerful sound, removable design for convenient replacement and upgrade. 
Supports BT, RCA and 3.5mm stereo audio input, you can play the music on your computer, CD player, smartphone, tablet or other audio players freely. 
Adopts TPA3116 as the core chip, 1.2MHZ modulation frequency, less than 0.1% (10W) distortion, up to 50W + 50W dual-channel high-power output. 
The treble, bass and volume adjustment knobs allows you to modify the music sound according to your preferences. 
Compact size design, with all aluminum alloy shell, portable and durable.

Specifications:
Color: Black/ Silver(optional); 
Material: Aluminum Alloy; 
Tube: 6J2; 
Amplifier Chip: TPA3116; 
Rated output power: 2*30W /8Ω, 2*50W /4Ω; 
Audio input: 1 set of RCA input; 1 * 3.5mm stereo input; 1 * BT input; 
Audio output: 1 set of Banana Speaker Jacks; 
Signal to noise ratio: ＞99dB; 
Frequency: 50Hz-60Hz; 
Power Supply: DC 19V; 
Power Adapter: 100-240V US/EU plug(optional); 
Item Size: 11.8 * 13.5 * 4cm/ 4.6 * 5.3 * 1.6in; 
Item Weight: 485g/ 17.1oz; 
Package Size: 38 * 21 * 8cm/ 15 * 8.3 * 3.1in; 
Package Weight: 1130g/ 2.5lbs;

Package List:
1 * Power Amplifier; 
3 * 6J2 Vacuum Tubes(one spare tube); 
1 * Antenna; 
1 * Power Adapter; 
1 * Power Cable