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