16/17Teeth 08B Industrial Drive Sprocket Wheel Gear Keyway Bore 10-35mm 1Pcs(19mm (Keyway 6mm),16 Teeth)

Calvin Klein Men's Water Resistant, Windbreaker Jackets for Men (Standard and Big and Tall), Deep Black, Medium

ZK-1002T Max 100W+100W Power Amplifier Board, 2.0 Channel Audio Power Amplifier,TPA3221 Chip with Bluetooth/AUX/USB Input Mode Selection Toggle Switch

ZK-1002L 200W Audio Power Amplifier Board with Bluetooth and AUX Inputs, 2.0 Channel Stereo Mini Power Amplifier Receiver Module for Home DIY Speakers System, DC 5-24V

Cozychord ZK-1002T Bluetooth 5.0 Stereo Amplifier Board, 200W HiFi 2.0 Channel Mini Audio Amp Module with Treble & Bass Control, AUX Input, DC 12V-24V for DIY Speakers,Home Audio

ZK-1002T PRO Bluetooth 5.0 Amplifier Board 2.0 Channel 200W HiFi Subwoofer Audio AMP with Treble and Bass, BT USB and AUX Inputs, DC 12-24V Stereo AMP Module for DIY Speakers (2 Pack)

ZK-TB21 Power Amplifier Board Bluetooth5.1 TPA3116 Chip with Subwoofer 2.1 Channel 50W×2+100W, DC 12-24V Bluetooth and AUX Inputs

2 Pack ZK-1001U Bluetooth 5.3 Mono Amplifier Board with TWS & Boost Circuit, Mini Audio Amp for Home Outdoor DIY Speakers with 100W Power Output, Treble and Bass, USB/AUX/BT Input, DC 9-24V

Bluetooth 5.1 Audio Amplifier Board, ZK-AS21 2.1 CH 220W x 2 + 350W HiFi Subwoofer Power Amp Mini Digital Audio Amp Module for Home Speakers(30-220W, 3-8Ohms), DC 16-38V, BT USB AUX Input