https://theguitarstore.com.my/shop/amplifiers/acoustic-amps/skysonic-s1-ac60-mini-amplifier-green/
Skysonic S1-AC60 Mini Amplifier Battery Capacity 4400mAh (Green) - The Guitar Store
The amplifier consists of five digital amplification channels,made up of two microhone channels and three guitar channels.
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https://skysonic.my/product/hikvision-4ch-embedded-hybrid-dvr/
HIKVISION 4CH Embedded Hybrid DVR - Skysonic Technology (M) Sdn Bhd
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