OPPWONG Portable HiFi Headphone Amplifier - 1500mAh 16-300Ω

1. 【Unique Design】 With a single power button, you can easily enjoy music. Enjoy 3.5mm headphone output, line out and AUX headphone output at the same time. 2. [Multiple Compatibility] Increase the output of most low volume sound sources such as phones, TVs, MP3 players, etc. to drive amplifiers and speakers. Versatile and compatible withvarious devices and scenes. 3. [HI-FI Sound] Customize your experience with NE5532 operational amplifier and pluggable jack design. Easily replace op amps to get different sounds and enjoy the fun of DIY. 4. [Compact and durable] The compact all-metal design blocks electromagnetic interference. It delivers natural, warm, -low distortion sound with a wide frequency range and excellentdynamic response. 5. [Wide range of applications] Perfect for home stereo systems, karaoke, live stage events, etc. Functional and portable design allows you to easily increase the output . Specifications: Item type: headphone amplifier Material: aluminum alloy Color: black Working voltage: DC 5-19V Input and output: 3.5mm headphone and interface Amplifier chip: NE5532 dual operational amp Parameters: 1. It can directly drive headphones, but it is not recommended to use it at the amplifier output 2. If the device is connected to a small power amplifier, you can use this circuit, suitable for amplifying small signalssound Amplification 3.10 times, or 20 dB Instructions for use: Please remove the product to use Packing list: 1×アンプ