Nobsound Tube Power Bluetooth Amplifier: HiFi Valve with Dual VU Meters USB U-Disk Playback RCA in for Bookshelf Speakers ^^ 6P1 6N1 EI Transformer ^^ Home Audio (DA7)

Tube Power Amplifier Classic all-tube path with 46P1 power tubes + 36N1 drivers for warm, natural timbre and rich dynamics; rated 12W2 @4 (8W2 @8). AC 110V input with US plug. ^^ Bluetooth Dual-mode 5.3 / 5.0 wireless input pairs fast and stays stable for streaming from phones, tablets, or laptops; convenient front selector knob lets you switch sources instantly. ^^ USB Playback USB-A (U-disk) input supports up to 128G, FAT32/ExFAT, and MP3/WMA/APE/FLAC/AAC/WAV so you can play local files directly without a separate player. ^^ Dual VU Meters Two responsive analog meters visualize output swing in real time, adding classic studio aesthetics while helping you monitor levels at a glance.

^^ EI Output Transformer Imported wideband EI transformers and gold-plated copper terminals deliver extended 10Hz40kHz (-3dB) response, low distortion (1% @1kHz), and solid drive for 4/8 passive speakers.