Realistic 4 Channel Stereo Microphone Mixer 32-1105A Black

This is a simple 9v 4 channel or dual stereo microphone mixer with either 4 TS or RCA inputs. It is in perfect working condition, including the Battery Test feature.

This is from Radio Shack years ago:
  4-Channel Mixer (320-1105A)   Features The REALISTIC 4-Channel Stereo Microphone Mixer is a sophisticated center for all your mixing needs-recording live performances, playback and more. This unit is ruggedly constructed and should give you years of performance in home or professional use, if you follow the operation and care instructions in this manual. The mixer is a very versatile unit - The more you use it, the more uses you will find. FEATURES INCLUDE: * Four inputs for both MIC and LINE - For up to 4 stereo or 8 mono inputs. * Switchable stereo/mono output. * Glide-Path sliding level controls. * Battery operation
- You can operate your Mixer with portable equipment, anywhere. FRONT PANEL: BATTERY Indicator LED:.....Lights to indicate battery is in good condition. POWER Switch:...................................Turns the Mixer ON and OFF. MODE Switch:................................Sets output for STEREO or MONO. Fader Controls:..............Increases or decreases the level of the signal connected to the corresponding input jack-either Mic or Line. REAR PANEL AND CONNECTIONS BATTERY TEST Button:..........................Press to check battery condition. If the battery is OK, the front panel BATTERY LED will light. OUTPUT Jacks:..........................Use shielded audio cables to connect between these jacks and the MIC inputs on your PA system or tape Deck. If your PA/ Tape Deck is monaural, use only one jack and set the front panel MODE to MONO. MIC Jacks:...........................Connect Microphone(s) here. For stereo, follow the L and R marking below each jack: channels 1 and/or 3 for Left, 2 and/or 4 for Right. LINE Jacks:.......................Connect the output from Tape Deck or other high level signal source. Follow the L/R marking for stereo. NOTE: When both LINE and MIC inputs are connected to the same channel, the two signals are mixed. To control the balance of two signals connected to the same channel, you must be able to adjust the input levels. GND Screw:..........Connect to your PA System's Ground screw to prevent hum.