RCD Type -Type A. 4 Pole Residual Current Device (RCD/RCCB). Rated Trip Current -30mA.
eBay
Headphone Amplifier CX31993 MAX97220 Dual Chip DAC HiFi Audio Amplifier IEM AMP Decoder USB C to 3.5mm Port with USB A Adapter
Aliexpress UK
CTI 63 AMP 30mA DOUBLE POLE RCD TYPE AC ZR63
eBay
TPA3110 Bluetooth 5.4 Digital Sound Amplifier Board 9-25V Mono Channel 30W TWS Stereo Audio Amplifiers AMP Module TPA3110-PBTL
Aliexpress UK
NEWLEC 63 AMP 30mA DOUBLE POLE RCD TYPE AC 240V NLRCD6330A BS EN 61008
eBay
LM386 Audio Power Amplifier Module DC5V-12V 200 Times Gain Amplifier Board Mono Power Amplifier for DIY Speaker, Arduino, Guitar
Aliexpress UK
Used, tested and working correctly
eBay
ZK-6002 DC18-50V Pure Power Amplifier Board 2.0 600W+600W Stereo Audio Amplifier Module TPA3255 Amplifier Chip
Aliexpress UK
I bought this to add another circuit for Cooker but ended up changing the plan so it is unused new condition.
eBay
DC 9-24V Power Amplifier Board Bluetooth 5.0 TPA3116 Digital Hifi Stereo Audio Amplifier 50W+50W Car Sound Amplifiers
Aliexpress UK
1 x 63 Amp 2 Pole 30mA RCD RCCB Trip Switch. for DIN Rail Mounting. Neutral Pole on the left. Circuit Protection. Type AC Protection Only - Not for DC. ON/OFF Switch with GREEN/RED Indication.
eBay
20pcs LM358 LM358P DIP-8 Operational Amplifiers - Op Amps Dual Op Amp new original
Aliexpress UK
CRABTREE 63 AMP 30mA DOUBLE POLE RCCB RCD TYPE AC 230V STARBREAKER SPLIT LOAD 363/S030 BS EN 61008.
eBay
3CGRO-1 PCS SX52B Fully Discrete Dual Op-Amp Module Opa1612 Chip For Pre-Amplifiers Audio DAC Headphone AMP
Aliexpress UK
Doesn't include box for storage.
eBay
Mobile Screen Amplifier Projector Video Movie Amplifier Desktop Display Stand 3D HD 14 Inch For All Smartphone Screen Amplifier
Aliexpress UK