Topping L70 Balanced Headphone Amplifier 6000mWx2 NFCA 4 Pin XLR/4.4mm balanced/6.35mm SE Output XLR/TRS /RCA input Desktop Earphones Amp Preamp with Remote Control1. Added 12 V TRIGGER function that can be switched on and off synchronously with other devices with the same interface.2. The L70 can maintain ultra-low distortion output under high power load.3. L70 uses a R2R volume control composed of relays and resiston networks brings the advantages of precise control longevity complete channel balanced and remote control.Product features:Output: 4 Pin XLR/4.4mm balanced/6.35mm SEInput: XLR/TRS /RCABalanced Output: Low Gain: 6.0dB; High Gain: 19.8dBSE Output: Low Gain: 0dB; High Gain: 13.8dBGAIN: SE Output: 0/13.8db; BAL Output:6/19.8dbSE power: 3500mw x 2 ( 160)BAL power: 6000mw x 2 ( 160)SE Output impedance: <0.10Output Voltage: Balanced 52Vpp; SE 26VppOutput Current: Peak 1.4AOutput Impedance: <0.1ΩSize: 20 x 13.8 x 4.4cmPackage Weight: 1.6KGContents List1x L701x Remote control1x AC cable1x 6.35mm to 3.5mm Adapter1x User manual1xWarranty card