Speaker-level inputs or line output converter (LOC)?
1.5M Cable 3.5mm Phono Plug Speaker Jack To 2 RCA Male Adapter Heavy Duty | Lazada PH
ALPINE PWE-S8 14 pin POWER & Speaker input Harness Powered Subwoofer ACTIVE AMP EUR 19,01 - PicClick FR
Which is the best speaker input? Which should I use? | Kanto Audio
Amazon.com: Mini Portable Speaker with 3.5mm Aux Input Jack, 3W Mobile Phone Line-in Speaker for iPhone iPad iPod Tablet Cell Phones, Gifting for Girls/Kids, Rose Gold : Electronics
NEW BAG END BAGEND Speaker Subwoofer Input Jack Plate Neutrik | eBay