D802 model with optical input, analog volume, and LCD display. Supports Hi-Res audio, three digital inputs, and a full digital amplifier. Petit Susie is a noise cleaner/noise filter, a general-purpose accessory part that removes noise components from the output of a power supply, providing clean power. FX-AUDIO- [ACCESSORY SERIES 005] Petit Susie DC Power Noise Cleaner/Noise Filter, Extension Cable Type, Output Plug Outer Diameter 5.5mm, Inner Diameter 2.1/2.5mm Compatible FX-AUDIO- Petit Tank DC Power Noise Cleaner/Bulk Capacitor, Extension Cable Type, Output Plug Outer Diameter 5.5mm, Inner Diameter 2.1/2.5mm Compatible - Model: D802 - Brand: FX-AUDIO - Input Type: Optical Input - Volume Adjustment: Analog Volume - Display: LCD Display - Bass Adjustment: With bass adjustment function - High Power Output Maximum 80Wx2ch output - No remote control - No original box Thank you for viewing. Operation confirmed. Please check the condition in the photos. Please refrain from purchasing if you are sensitive to used items. This item was kept in a place without pets or smoking.