Looks like my vintage Kenwood KA-801 might be appreciated here. Recently restored. : r/vintageaudio
Amazon.com: Speaker Mic for Baofeng Walkie Talkie, 2 Pin Shoulder Microphone Compatible with Baofeng Radios BF-F8HP/F9 UV-82/82HP/82C/5R/5R5/5RA/5RE/5X3 and Kenwood BTECH Retevis TYT (Black) : Electronics
Amazon.com: BVMAG Earpiece for Kenwood with Mic D Shape Earpiece Headset for Baofeng UV-5R BF-888S BF-F8HP BF-F9 TK-3107 TK-2107 RT7 RT21 H777 Walkie Talkie Two Way Radio 2 Pack : Electronics
Amazon.com: BVMAG Walkie Talkie Headset Earpiece for Kenwood with Mic Ptt,Acoustic Tube Headset for Baofeng UV-5R BF-888S BF-F8HP BF-F9 TK-2107 TK-3107 H777 RT7 RT21 Walkie Talkie : Electronics
Amazon.com: Tenq G Shape Earpiece Headset PPT for 2 PIN Kenwood Baofeng Puxing Quansheng Weierwei Wouxun Two Way Radio : Cell Phones & Accessories
Amazon.com: VILSFUL Walkie Talkie Earpieces with PTT Mic for Kenwood TK-2107 TK-3107 TK-2202 TK-2212 TK-3170 TK-3173 TK-3200 TK-3202 UV-5R BF-888S Acoustic Tube : Electronics
Amazon.com: Tenq 3 Wire Covert Acoustic Tube Bodyguard FBI Earpiece Headset Mic for 2-pin Kenwood Nexedge Hytera Puxing Wouxun Radio : Electronics
Amazon.com: KENMAX 2 Pin Ear Bone Vibrate Noise-reducing Earpiece MIC for Walkie Talkie Two Way CB Ham Radio Kenwood UV-N98 TK3230K TK-2400V16P NX-220 Baofeng UV-5RI6+ GT-5 UV-5RTP UV-82X : Electronics
Amazon.com: Caroo D Shape Earpiece Headset with Mic PTT Compatible with Baofeng UV-5R BF-888S BF-F8HP BF-F9 UV-82 UV-82HP UV-82C Kenwood TK-2107 TK-3107 Walkie Talkies Two Way Radio 2 pin : Electronics
Amazon.com: Tenq G Shape Police Earpiece Headset PTT Mic for 2-pin Kenwood Nexedge Hytera Puxing Wouxun Radio : Electronics
Amazon.com: Covert Acoustic Tube Earpiece with Mic for Baofeng UV-5R Walkie Talkies, Surveillance Headset and PTT Compatible with 2 Way Radios Brands Baofeng and Kenwood, Puxing, Wouxun (Black) : Electronics
Amazon.com: Kenwood Excelon X301-4 4-Channel Car Amplifier : Electronics
Amazon.com: KANMIT Kenwood Walkie Talkie Earpiece Headset for Baofeng uv-5r uv-9r bf-888s bf-f8hp tk-2202 tk-2402 tk-3402 nx-200 nx-320 Icom Retevis Radio with PU G Shape Ear-Hook and PTT mic (1 Pack) :
Amazon.com: Case of 10, Retevis 2 Pin Acoustic Tube Headset Compatible with Kenwood UV-5R Retevis H-777 RT21 RT22 Two Way Radio : Electronics
Amazon.com: Retevis VOX Hands Free Walkie Talkie Earpiece with Mic, Coil Tube, Compatible RT22 RT21 H-777 RT68 RT22S RT19 Baofeng UV-5R Kenwood Two Way Radio, Security 2 Way Radio Earpiece(2 Pack) :
Amazon.com: Yolipar Single-Wire Earpiece Surveillance Kit Compatible with Retevis, BaoFeng, BTECH, Kenwood, Arcshell AR-5 Walkie Talkie with PTT Mic D-Shaped Clip-Ear Headset(2 PCS) : Electronics
Amazon.com: Remtise Single Wire Earhook Earpiece with Mic for Baofeng UV-5R Walkie Talkies, Headset and PTT Compatible 2 Way Radios Brands Baofeng and Kenwood, Puxing, Wouxun (Red) : Electronics
Amazon.com: Walkie Talkie Earpiece for Baofeng UV-5R BF-F8HP UV-82 BF-888S Retevis H-777 RT22 RT21 RT68, Surveillance Earpiece with Mic and Covert Acoustic Tube Compatible with Kenwood Two Way Radio, Pack of 2 :
Amazon.com: brogtrol 2 Way Walkie Talkie Earpiece with Mic 2 Pin Acoustic Tube Headset Radio Earpiece Suitable for Baofeng UV-5R Retevis RT21 RT22 Kenwood TK TH (1 Pack) : Electronics
Amazon.com: TENQ 2-pin Shoulder Remote Speaker Mic Microphone PTT for Kenwood Puxing Wouxun Baofeng Two Way Radio 2pin : Electronics
Amazon.com: Yolipar Single-Wire Earpiece Surveillance Kit Compatible with Retevis H-777 RT1 RT21 RT22 BaoFeng, BTECH, Kenwood, Arcshell AR-5 Walkie Talkie with PTT Mic D-Shaped Clip-Ear Headset : Electronics
Amazon.com: Klykon Covert Acoustic Tube Headset Earpiece with Mic Big Ptt Compatible with Baofeng UV-5R BF-888S BF-F8HP BF-F9 UV-82 UV-82HP UV-82C Kenwood Walkie Talkies 2 Way Radio 2 Pin : Electronics
Amazon.com: Kenwood Excelon X801-5 5-Channel Car Amplifier : Electronics
Instruction Manual for Kenwood KAC-801 Amplifier Owners Instruction Manual Reprint: Amazon.com: Books
Amazon.com: KANMIT Kenwood Earpiece Headset for Baofeng Walkie Talkie uv-5r uv-9r bf-888s bf-f8hp tk-2202 tk-2402 tk-3402 nx-200 nx-320 Icom Retevis Radio with Covert Acoustic Tube Earphone and PTT mic (1 Pack) :
Amazon.com: Tenq 2 Pin PTT Covert Acoustic Tube Earpiece Mic for Kenwood Baofeng Puxing Quansheng Weierwei Wouxun Two-Way Radio : Electronics
