Fosi Audio SK01 Headphone Amplifier & Preamplifier 2 in 1 for Headphone Earphone Power AmplifierPortable Headphone Amplifier

High-concerned chemical: None. Signal To Noise Ratio: 108dB. Dimensions WxHxD: 1215143mm. Bluetooth: No. DSD Direct Stream Digital: No. Package: YES. Model Number: SK01. Type: Mini Amplifier. Recommended Headphone Maximum Impedance: 251-300 Ohm. Built-in Battery: No. Output Type: LINE OUT AUDIO OUT). Input Type: LINE IN AUDIO IN). Brand Name: Fosi Audio. Output Voltage: High Gain: RMS 2400mW@32ohm, Low Gain: RMS 300mW@32ohm. Certification: CE. Origin: Mainland China. Fosi Audio SK01 Headphone Amplifier Preamplifier 2 in 1 for Headphone Earphone, Power Amplifier, Portable Headphone Amplifier. Features: The SK01 is a high-power headphone amplifier with tone controls treble, middle and bass), high and low gain settings, bypass mode, and loudnessfunction. The tone control feature allows you to customize the sound to. your preferences and compensate for any shortage in your headphones or audio system. The high and low gain settings are suitable for headphones with different impedance. The