NOENNULL Portable Headphone Amplifier - 4 Channel USB Power Supply

1. [EXCELLENT SOUND QUALITY] Enjoy rich, immersive sound with our headphone amplifier, delivering outstanding performance in any environment. 2. [4 INDEPENDENT CHANNELS] Individualized volume control with four separate output channels, each with its own volume knob for precise adjustments. 3. [CONVENIENT USB POWER] Charge with ease using mobile phone chargers or power banks for unmatched flexibility. 4. [RUGGED METAL DESIGN] Sturdy iron shell construction ensures durability and reliable performance over time. 5. [USER-FRIENDLY CONTROLS] Comfortable volume knobs for easy customization of sound levels to suit your unique listening preferences. Specification: Item Type: Headphone Amplifier Material: Iron Shell Cable Input: Type: 1/4in TRS, Stereo Impedance: 100kΩ Maximum,10kΩ Minimum Maximum Input Level: +20dB Headphone Output: Type: 1/4in TRS, Stereo Impedance: 10Ω Maximum Output Power: 100mw at 16Ω Gain: 20dB Power Supply: USB How to Use: Plug and use. packing list: 1 x Headphone Amplifier 1 x Sound Cable 1 x Adapter 1 x Manual 1 x USB Power Cable