AIYIMA 6K4 Tube Preamp Bluetooth Preamplifier HiFi OLED Audio Preamp with Remote Control Home Audio Theater(Without Power Supply)

Using classical tube 6K4 design,Bluetooth 4.2 Tube preamp(NOTE:Cannot be used on a record player and phonographs)Built in 6K4 tube,Fast preheating;High-effective chips:CSR8635, HS100B, MC33078, PT7314, DC 12V Power Supply(Not included)OLED Display,With Remote Control,6.35mm Headphone Output port,Headphone max power output: 40mW~500mW/300~32OhmAudio input:Bluetooth,PC-USB input,RCA input,AUX input.PC-USB support system: XP/Vista/W7/W8/W10/LINU/XMAC/ OS/ X;Perfect switch protection circuit, protect power amplifier and… […]


Dilvpoetry R50 6J4 Tube Amplifier HiFi Audio Stereo Digital Amplifier Headphone Amplifiers Bluetooth Treble Bass Desktop Preamplifier Preamp(Black)

♫ Tube preamplifier: Using tube 2*6J4 for pre amplifier; Replaceable design,can be change the tube for 6K4, 6J1, GE5654, 6AK5 and 6*1n for different sound style.♫ Low Ground Noise: There’s no buzzing or ringing when you use it! We feature a high-grade microprocessor that controls the relay while its being switched on and off, achieving… […]


S.M.S.L AD18 HiFi Audio Stereo Amplifier with Bluetooth 4.2 Supports Apt-X,USB DSP Full Digital Power Amplifier 2.1 for Speaker,Small 80Wx2 Class D Amplifier with Subwoofer Output

This class D amplifier Supports USB coaxial analog Bluetooth and two optical inputsWith amplifier output port, 3.5mm headphone jack and subwoofer outputs, 80w*2 output power, 1.44-Inch Color screen, The brightness of the display can be adjustedCustomized BT4.2 Bluetooth module, Supports apt-X, easily connect with Bluetooth by NFCThe Bluetooth amplifier uses tas5508c+tas5342a from TI as amplifier… […]


AIYIMA Audio 6J1 Tube Preamplifier HiFi Treble & Bass Adjustment Audio Preamp DC12V Stereo Tube Amplifier Preamp NE5532P Chips for Home Theater System(Tube-A3,Silver)

This tube preamplifier Using classical tube 6j1 design and optimize the route,Match amplifier home audio and home theater amplifiers to use,Let you enjoy the imagination music(Note:Cannot be used on a record player and phonographs)Tube can be replaced design,soft voice.Adopt the Dual run amplifier chip NE5532P power conversion module.(Note:this is tube preamplifier,Cannot be used as a… […]