Nobsound Stereo Passive Audio Preamp Mini 1:2 Step-up Transformer Signal Booster for PC/CD Player/DAC Connect with Amplifier

  Features Connection mode: passive preamp, with RCA input, suitable for mobile phones, computers, decoders, digital players, CD players and other audio source devices, RCA output, supporting connection with amplifiers/active speaker, etc. Improvement effect: it can effectively increase the gain and sound density of the sound, improve the sound quality, and make the sound more mellow and warm, bringing a better listening experience. Audio characteristics: adopt a 1:2 step-up mode design, that can achieve lossless broadband coupling output, with obvious improvement effect and outstanding features; its high-cost performance for audiophiles. Product material: high nickel-iron core and high-purity red copper, multiple high-temperature annealing treatment, multi-layer and multi-group wire wrapping mixed winding, simple and compact appearance. Parameters Audio input/output: Stereo L/R Dimensions: 784825mm/3.071.890.98in Package dimensions: 16013075mm/6.305.122.95in Net weight: 126g/0.28lb Package weight: 300g/0.66lb Packing List 1 × Passive Preamp    High-concerned chemical : nonePackage : YesChannels : 2 (2.0)Model Number : 979Maximum Power Per Channel : NO POWERBrand Name : nobsoundOrigin : Mainland ChinaCertification : CEType : Passive PreampAudio input : Stereo L/R RCAAudio output : Stereo L/R RCAColor : Silver