4 Inputs / 2 Outputs for Optical / SPDIF / TOSLink Audio Management; A True Matrix for Any Input to Any Output * Active IC Circuit (not a mechanical switch) for Optimum and Lossless Signal Transfer; Reliable & Flawless Switching * Support Data Rate Up To 16Mbps; Support Output Distance Up To 40M * Comes with Remote Control, User Manual and Universal 5V DC Power Adapter with US Plug * Built in Durable Metal Case with ViewHD One Year Warranty