Ever Need To Record An Important Telephone Conversation? The Tp-8 Telephone Pickup Makes Phone Recording Two Sides Of The Conversation. Just Plug The Tp-8 Jack Into The “Mic” Jack Of Your Recorder And Put The Earphone Side Into Your Ear. When Speaking On The Telephone The Tp-8 Will Capture Both Sides Of The Conversation For Recording By Your Voice Recorder. The Tp-8 Replaces The Tp-7 Telephone Recording Device. Note: The Tp-8 Is Recommended For Cellular Phones And Landline Phones. The Tp-8 Will Only Act As A Microphone. It Will Not Playback Sound. When Used With The Dm-10Dm-20 Select Monaural Input In The Menu For Selection Ext.