High-quality amplifier with a wood-finished front panel and tone control function. - Model Name: 45A - Functions: Tone control, volume adjustment - Connection Terminals: Multiple input terminals (aux, phono, tuner, etc.) - Design: Wood-finished front panel - Speaker Connections: Main speaker and tape connections - Sound Adjustment: Bass and treble adjustment functions Please consider this item with the understanding that some parts are missing. I apologize, but I do not have expertise in this area. I may not be able to answer your questions clearly. Please note that returns and cancellations are not accepted. The item will be shipped in a recycled cardboard box. Thank you for viewing.