Mini Music Coil Module Set DIY Plasma Speaker Assembly with Audio Cable 15W 15‑24V DC Input.Feature: 1. Included Parts: Mini music coil module kit, equipped with capacitor, inductor, indicator light, LED light, audio cable and other accessories, convenient and practical. 2. With Audio Cable: With 3.5 audio input interface audio cable, which can connect mobile phone, MP3 and computer audio, etc., and supports playing music with clear sound. 3. Voltage and Power: 15‑24V DC input voltage and 15W po