Here are amps speakers and samplers
| new Yamaha YDA138 Bluetooth Digital 3.5mm Audio Class D Stereo 2 channel Power amplifier A6-014 | https://www.aliexpress.com/item/new-Yamaha-YDA138-Bluetooth-Digital-3-5mm-Audio-Class-D-Stereo-2-channel-Power-amplifier-A6/32888467712.html |  |
| TF card U disk MP3 Format Decoder Board Module Amplifier Decoding Audio Player | https://www.aliexpress.com/item/TF-card-U-disk-MP3-Format-Decoder-Board-Module-Amplifier-Decoding-Audio-Player/32451702552.html |  |
| Player Mini MP3 Player Module MP3 Voice Decode Board Supporting TF Card U-Disk IO/Serial Port/AD for arduino Diy Kit | https://www.aliexpress.com/item/2021-DFPlayer-Mini-MP3-Player-Module-MP3-Voice-Decode-Board-Supporting-TF-Card-U-Disk-IO/32860342792.html |  |
| JQ6500 Voice Sound Module USB Replace One to 5 Way MP3 Voice Standard 16M | https://www.aliexpress.com/item/10pcs-NEW-JQ6500-Voice-Sound-Module-USB-Replace-One-to-5-Way-MP3-Voice-Standard-16M/32864194918.html |  |
| SOTAMIA 10Pcs 2027 Ultra-thin Mini Speakers 8 Ohm 2W | https://www.aliexpress.com/item/SOTAMIA-10Pcs-2027-Ultra-thin-Mini-Speakers-8-Ohm-2W-DIY-Multimedia-Toy-Music-Speaker-Driver/1005002207511694.html |  |
| 2Pcs 4550 Passive Audio Mini 5W 4 Ohm Speaker | https://www.aliexpress.com/item/SOTAMIA-2Pcs-4550-Passive-Audio-Mini-Speaker-Driver-4-8-Ohm-5W-Advertising-LCD-TV-Speaker/4001046256420.html |  |
| 2Pcs 3 Inch Home Theater Loudspeaker Full Range Speakers 8 Ohm 15W | https://www.aliexpress.com/item/SOTAMIA-2Pcs-3-Inch-Home-Theater-Loudspeaker-Full-Range-Speakers-4-8-Ohm-15W-Hifi-Music/1005002205861568.html |  |
| Digital Power Amplifier Audio Board 30W*2 Stereo Audio Amplifier 2.0 Amplificador DIY Home Sound Theater DC8-26V | https://www.aliexpress.com/item/SOTAMIA-Mini-Digital-Power-Amplifier-Audio-Board-30W-2-Stereo-Audio-Amplifier-2-0-Amplificador-DIY/1005002200560977.html |  |
| Audio Sound Mini Speakers Altavoz 8 Ohm 2W | https://www.aliexpress.com/item/SOTAMIA-2Pcs-Audio-Sound-Mini-Speakers-Altavoz-8-Ohm-2W-DIY-TV-Pc-Computer-Passive-Speaker/4000525620079.html |  |
| PAM8406 Digital Amplifier Audio Board 5Wx2 Stereo Power Amplifiers With Volume Potentiometer | https://www.aliexpress.com/item/SOTAMIA-PAM8406-Digital-Amplifier-Audio-Board-5Wx2-Stereo-Power-Amplifiers-With-Volume-Potentiometer-Home-Sound-Theater/4000059708093.html |  |