HIFI 6J1 Tube Amplifier DIY Kit Clear Acrylic Case High Fidelity Sound 105dB SNR Dual 12V Power Support MP3 Smartphone T

Specifications:Circuit Board Dimensions: 100 x 80 mmOuter Dimensions (without case): 110 x 90 x 40 mmOuter Dimensions (with case): 215 x 132 x 55 mmCircuit Board Material: Double-Sided 1.2mm FR-4 BoardPower Supply Voltage: AC Dual 12VWeight: Without case: 122g | With case and amplifier: 850gSignal-to-Noise Ratio: 105dBAmplification Factor: Approximately 0.8x (earphone output supports high-sensitivity headphones)Supported Devices: Compatible with MP3 players, mobile phones, tablets, and computersNote: This is a DIY kit, you need to assemble and solder.Features:1. High Fidelity Sound OutputEquipped with 6J1 vacuum tubes, this amplifier delivers clear, natural audio output, ensuring a premium listening experience for audiophiles.2. Wide Device CompatibilityCompatible with various devices including MP3 players, smartphones, tablets, and computers, making it suitable for multiple use cases.3. Upgraded Circuit Board DesignUtilizes high-quality FR-4 double-sided boards, ensuring stable operation under diverse conditions for enhanced signal performance.4. Optimized Amplification FunctionEarphone output supports high-sensitivity earphones and can drive certain advanced audio systems, providing versatility in audio usage.5. User-Friendly StructureCompact design with clear casing allows easy assembly and visual interaction with internal components, appealing to DIY electronics enthusiasts.Package Included:1 x HIFI 6J1 Tube Amplifier DIY Kit(The other items are not includes, for referenc