Solar power System With Speaker and Inverter

KSh 12,850.00

Battery capacity: run 300 W load for 4 hours: 300W × 4h = 1.2 kWh. If system is 12V, that’s ~100Ah (since 12V × 100Ah = 1.2kWh). But allow losses (inverter inefficiency) so maybe target 150Ah or battery bank ~2kWh.
Solar panel sizing: To recharge battery each day you might need panel wattage that can generate enough energy given sun hours. For example, if you get ~5 peak sun hours: you need ~1.2 kWh/5h = ~240W panel minimum; allow for inefficiencies and bad weather -> maybe 300-400W.
Consider peaks: Audio amplification may have sudden peaks; make sure inverter and wiring can handle surge.
Portable vs permanent: If system is for mobile events, choose lighter, smaller components; if for fixed installation, you can go bigger and more permanent.
Scaling: If you plan to expand (more hours, more loads), consider bigger battery/inverter from start to avoid bottlenecks.
Quality components: Particularly for audio, you want minimal noise, stable voltage, good grounding and inverter with pure sine wave to avoid hum/hiss.

A system combining solar power + inverter + speaker (audio) functionality might consist of something like:

Solar panel(s): convert sunlight → DC electricity
Battery / energy storage: stores DC power from the panels for later use
Charge controller / solar regulator: manages charging of battery from solar input
Inverter: converts DC (battery) into AC for standard appliances (or sometimes DC 12V/24V for simpler loads)
Speaker / audio component: integrated or add-on speaker system (could be Bluetooth, wired, or built-in)
AC and/or DC outputs: to power lights, audio, TV, etc.
Wiring, mounting hardware, safety devices (fuses, surge protection)
Possibly lighting system included (in some kits) which might share the same battery/inverter. Example: “150 Watts Solar Full Kit + 3.1 Subwoofer” in Kenya includes panel + battery + inverter + subwoofer.
Some kits might bundle LED bulbs + lighting as well as audio.
For speaker-audio use: the inverter and battery must be sized to supply the speaker (and any amplifier) real-power demands plus peaks.