AIYIMA T9 PRO HiFi Bluetooth Tube Amplifier Link: https://alli.pub/77kzix
The **AIYIMA T9 PRO** is a compact **HiFi Bluetooth tube amplifier** that combines **vacuum tube preamplification** with a **Class D power amplifier** for a warm, analog sound with modern convenience. Here's a detailed breakdown of its features:
### **Key Features:** 1. **Hybrid Design** - **Vacuum Tube Preamp**: Uses a **6K4/6J1 tube** (or compatible) for warm, smooth sound. - **Class D Power Amp**: Efficient **TPA3255 chip** (or similar) for clean, powerful output.
2. **Bluetooth 5.0** - Supports **AAC, SBC** codecs for wireless streaming. - Stable connection with smartphones, tablets, and PCs.
3. **Connectivity Options** - **Analog Inputs**: RCA (for CD players, DACs, turntables with phono preamp). - **Digital Input**: Optical (TOSLINK) for higher-quality audio. - **USB DAC** (if supported, check specs). - **Headphone Output** (3.5mm or 6.35mm, depending on model).
4. **Power & Output** - **Output Power**: ~50W x 2 (4Ω) or ~30W x 2 (8Ω). - **Frequency Response**: 20Hz–20kHz (typical for Hi