2-way amplifier/speaker selector: Both working modes (2-IN-1-OUT / 1-IN-2-OUT), with A/B channel select button, convenient to compare the sound quality of 2 pairs of different speakers or 2PCS power amplifiers without plugging in and out cables repeatedly to avoid wearing the contact point of the sockets. Strong compatibility for audio devices: Support doing comparisons between different types of amplifiers such as BTL, class A, class B, class D, tube amp etc.. Each channel can pass up to 200W power, also suitable for the comparison between most passive speakers. User-friendly design for easy use: Designed with remote control to operate from the distance; add LED display screen and channel indicators, much clearer to show the working status in real time. 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Sign Up Now ! Compact 2 Zone Amplifier/Speaker Selector Stereo Audio Switcher Box with Remote Item description The difference between SP102 and SP102 PRO: Model SP102 SP102 PRO Output at the same time × √ LED Display screen × √ Remote Control × √ Features 2-way amplifier/speaker selector: Both working modes (2-IN-1-OUT / 1-IN-2-OUT), with A/B channel select button, convenient to compare the sound quality of 2 pairs of different speakers or 2PCS power amplifiers without plugging in and out cables repeatedly to avoid wearing the contact point of the sockets. Strong compatibility for audio devices: Support doing comparisons between different types of amplifiers such as BTL, class A, class B, class D, tube amp etc.. Each channel can pass up to 200W power, also suitable for the comparison between most passive speakers. User-friendly design for easy use: Designed with remote control to operate from the distance; add LED display screen and channel indicators, much clearer to show the working status in real time. Powered by DC5V USB(Type-c), very convenient to use in different occasions. Simple design but pure function: All channels adopt fully isolation design without mutual interference. A/B channel with built-in protective load; proper size with simple appearance, fashionable and durable, matches well with your audio equipment. Warm Tips SP102 PRO: 1. Channel 1/2 can work at the same time. It is recommended to use this function in 1-IN-2-OUT mode, that means connect one amplifier and two pairs of speakers. Amplifiers may be damaged if use Channel 1/2 input at the same time. 2.In OFF state, default disconnect 1&2 terminals from I/O interface, it is equivalent to mute. And 1 and 2 will be connected to the built-in load protection at the same time. 3.Without DC 5V power adapter, please preapre it by yourself. 4.For safer and faster delivery, the remote control without batteries(2*AAA), please prepare it by yourself. SP102: 1. Only 1 group of amplifier input or 1 group of speaker output at a time, not support 2 groups of them working in parallel at the same time; 2. When the toggle switch in OFF position, the connection between A&B channels and I/O channel will be disconnected, equivalent to mute, no sound will output. Parameters Model SP102 SP102 PRO Audio input/output 2 groups of stereo 1/2, 1 group of I/O Interface type banana speaker jacks Working mode 2-IN-1-OUT / 1-IN-2-OUT Amplifier type supported all kinds of type (BTL /Class A /Class AB /Class B / Class D digital amp / tube amp etc.) Max. through power of each channel 200W (in actual) Amplifier no-load protection support Mute support Settings saved after shutdown / support Remote control / support Working voltage / DC 5V (Type-C) Dimensions(W*D*H) 242*108*33mm / 9.53*4.25*1.30in Net weight 720g / 1.59lb Package weight 1000g / 2.20lb Packing List SP102-PRO 1*SP102-PRO Switcher 1*Type-C Cable 1*Remote Control(without 2*AAA1.5V batteries) SP102 1*SP102 Switcher 1*User Manual Payment Fast Shipping Return Policy About us Contact us Payment Safe and secure payment by PayPal. Fast Shipping The items are located in US, and will be shipped within 1 working day, 2-6 working days to deliver. Return Policy Free Return Within 30 Days We provide free return with 30 days for all items you bought on eBay, full refund and return shipping will be provided. 1-year warranty is provided for all items(Excluding: 1. Man-made damage or misuse. 2. Audio accessories and consumables such as vacuum tubes). If you are satisfied with our products and service please leave a 5-star . Feedback is very important to us just like our lives, please DO contact us before you leave a neutral or negative feedback, we will provide better solutions until you are satisfied. About us Douk Audio / Nobsound Studio was founded in 2013 in Shenzhen CHINA, we own several brands including Douk Audio / Nobsound / Little Bear etc. As a professional audio company, we are dedicated to design and produce the best products at the lowest prices to make HiFi affordable. We will spare no efforts to bring great products and service for customers and extremely to improve our customers listening experience. 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