Mistral, a well-known name in the audio industry, has recently introduced the DT-309B, a desktop HiFi amplifier that combines classic design with modern technology. The unit features an all-aluminum chassis, offering both a sleek and timeless appearance while ensuring efficient heat dissipation. Its front-end design incorporates two 6N2 tubes for amplification, delivering a warm and rich sound signature, while the power stage uses transistors to provide strong output capabilities. The DT-309B offers multiple connectivity options, including USB, Bluetooth, and AUX analog input. It comes with a built-in USB DAC that supports high-resolution audio up to 24-bit/192kHz, making it an excellent alternative to your computer's internal sound card. This feature significantly enhances the audio quality when playing music from a PC or laptop. The integrated CSR Bluetooth 4.0 module allows seamless wireless connection to smartphones and computers. Additionally, it supports aptX, so if your source device is compatible, you can enjoy superior audio quality without any loss. Product Agent: David Telecommunications With an output power of 30W per channel at 4Ω, the DT-309B is capable of driving 5-inch bookshelf speakers efficiently. It also includes a 6.35mm headphone output, supporting headphones with impedance ranging from 32Ω to 300Ω, making it versatile for different listening preferences. On the rear panel, there is a PRE OUT port that can be used as a preamp output, USB sound card, or even for connecting a subwoofer, adding more flexibility to your audio setup. The DT-309B is more than just a speaker amplifier—it functions as a USB sound card, preamp, and full-range integrated amplifier. Priced above two thousand yuan, it offers an impressive range of features and performance. What truly sets it apart is its warm tube-like sound, which adds a unique character to every track. Whether you're a casual listener or an audiophile, the DT-309B delivers exceptional playability and sound quality that’s hard to match at its price point. Switching Power Supply Transformer Switching Power Supply Series Transformer,High Quality Switching Power Transformer,Small And Good Transform,High Frequency Transformer Review Xuzhou Jiuli Electronics Co., Ltd , https://www.xzjiulielectronic.com