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Nobsound HiFi Bluetooth 5.0 Vacuum Tube Amplifier USB DAC Stereo Receiver COAX/OPT Home Audio Digital Amp w/VU Meter 100W+100W
Price range: $145.86 through $152.86
Description
The Nobsound ST‑01 PRO is a compact high‑fidelity stereo tube amplifier combining vintage aesthetics with modern digital technology. It features Bluetooth 5.0, USB DAC, Coaxial, Optical, and RCA inputs for broad compatibility with digital and analog devices. With a powerful 100W + 100W output, it drives most 3–8Ω passive speakers. A built-in VU meter displays dynamic audio signals, while treble and bass knobs provide tone control for a customized listening experience. The aluminum alloy shell offers durability and style, and a remote control is included for ease of use. The ST‑01 PRO supports U‑disk playback for lossless audio formats, making it ideal for audiophiles who want flexibility, power, and elegant design in a single desktop amplifier.
Specifications
| Feature | Details |
|---|---|
| Brand / Model | Douk Audio / ST‑01 PRO |
| Certification | CE |
| Channels | 2.0 stereo |
| Max Output Power | 100W × 2 (4Ω) |
| Compatible Impedance | 3–8Ω |
| Audio Inputs | Bluetooth 5.0, USB (PC), Coaxial, Optical, RCA, U-disk |
| Audio Outputs | Banana speaker jacks, 3.5mm AUX |
| Supported Formats (USB) | MP3, WAV, FLAC, WMA, APE |
| Max U‑Disk Capacity | 64GB |
| Sampling Rates | USB: 96kHz/24bit; BT: 48kHz/24bit; COAX/OPT: 192kHz/24bit |
| Tone Control | Treble and bass adjustment: ±6dB |
| Signal-to-Noise Ratio | ≥ 98dB |
| THD (Distortion) | 0.07% |
| Frequency Response | 20Hz – 20kHz (±1dB) |
| Supported OS (USB DAC) | Windows XP/7/8/10, macOS, Linux |
| Bluetooth Antenna | External removable antenna |
| Tube Type (Default) | 6K4; replaceable with 6J1, 6J2, 6J5, EF95, etc. |
| VU Meter | Analog with sensitivity adjustment |
| Remote Control | Included, full-function |
| Construction | Aluminum alloy housing |
| Power Supply | DC 18–30V (24V adapter included) |
| Unit Dimensions | 115 × 98 × 54mm (4.53 × 3.86 × 2.13 in) |
| Package Dimensions | 295 × 225 × 85mm (11.61 × 8.86 × 3.35 in) |
| Net Weight (Unit Only) | 661g (1.46 lb) |
| Package Weight | 1.4kg (3.09 lb) |
Additional information
| Ships From | UNITED KINGDOM, United States, GERMANY |
|---|
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