Tested working no power cord included in purchase

The Rockville TubeHead Tube Headphone Amplifier Amp is a high-quality, portable unit designed for live monitoring. It features 6K4 tubes for warm, rich sound and offers a wide impedance range of 16-300 ohms with a power output of 180mW. This amplifier is equipped with a rechargeable battery for on-the-go use and has a sleek black design with a 1 year manufacturer warranty. The TubeHead model offers connectivity options through 3.5mm and 6.35mm jacks, making it versatile for various headphones and setups. Perfect for DJs and musicians looking for a reliable and high-performing headphone amplifier.