Douk Audio G50 HIFI Bluetooth Stereo Amplifier VFD Audio Spectrum Speaker Receiver Power Amp Desktop Clock

Features Integrated VFD spectrum into amplifier:  As a digital amplifier: with Bluetooth 5.0 and 3.5mm AUX inputs, compatible with most audio sources; adopts TPA3116 IC chip, output power up to 50W+50W, easily to drive most home speakers. As an audio spectrum analyzer: adopts dedicated green VFD display screen with 25 × 15 high resolution, guarantee the accuracy of each frequency band.  As a high-precision clock: using RX8025T built-in crystal oscillator whose clock accuracy is ±3ppm, year error within 1 minutes, very cool and interesting. HIFI sound and amazing handmade: the sound is clear and clean, high-end components are used such as WIMA capacitors to improve the sound details; with remote control, easy to adjust all settings; the placement angle of VFD spectrum can be adjusted freely via screws on both sides, perfectly match with different listening space. Wide frequency range & AGC display: 80Hz-16KHz frequency sweep, high-precision display even can do frequency point test. Speical AGC algorithm and customized output curve, ensure ideal visual effects even the input signal is in a small to large range, avoid that no display when input low and display in full screen when input high. Many adjustable items & display effects: gain, brighntness, falling speed of main light column, holding time and falling speed of the peak can be adjusted separately. 5 music spectrum display mode and 2 clock display mode,  all settings with power-off memory function, no need to set again after restarting.  Warm tips: 1. For safe shipping, the remote control may not include batteries (2*AAA), please prepare by yourself.2. Default DC12V/5A power adapter, if you want higher power output please prepare larger power adapter or click: LINK to buy. Parameters Digital AmplifierAudio input: Bluetooth 5.0 / 3.5mm AUXAmp IC chip: TPA3116Bluetooth version: Bluetooth 5.0 + EDROutput power: 50W×2 Matched impedance: 4-8ΩFrequency Range: 20Hz-20kHz (±3dB)SNR: ≥ 98dBTHD: 0.1%Working voltage: DC 9V-19V( ≥3A)Voice prompts: English VFD SpectrumDisplay screen: VFD (Vacuum Fluorescent Display)Resolution: 25 × 15Frequency range supported: 80Hz-16KHzDisplay item: music spectrum / clockClock display mode: 2 kinds Music spectrum display mode : 5 kindsMusic display mode: AGC+customized output curve (Real output / Smooth output)Adjustable items: main light column falling speed / peak holding time / peak falling speedBrightness adjustment: 5 levels+auto adjustmentGain adjustment: 5 levels Common specificationsBrand: Douk AudioModel: G50Power-off memory function: supportRemote control: supportDimensions (W*D*H): 196*48*80mm / 7.72*1.89*3.15inPackage dimensions(W*D*H): 230*178*90mm / 9.06*7.01*3.54inNet Weight: 300g / 0.66lbPackage weight: 800g / 1.76lb Packing List 1*G50 Amplifier 1*Power Adapter 1*Remote Control (without battery) 1*3.5mm Cable