OOKA SlimX4 Amplifier delivers 40W of powerful, distortion-free sound with 3 mic and 2 aux inputs. Featuring a wide frequency response of 50Hz–15.7kHz, tone controls, and USB/SD/Bluetooth playback, it’s built for versatility. Compact and reliable, SlimX4 is ideal for small venues, offices, cafés, and professional audio setups. SPECIFICATIONS Power Output: 40W Input Channels: 3x Mic, 2x Aux Frequency Response: 50Hz – 15.7KHz Signal to Noise Ratio: 65dB Tone Controls: Bass: ±10dB at 100Hz Mid: ±10dB at 1KHz Treble: ±10dB at 10KHz Speaker Output: 4Ω, 8Ω, 70V & 100V Digital Player: MP3 Player with USB, SD/MMC Card Reader and Bluetooth Power Supply: AC 220–240V 50/60Hz, DC 12V (1x12V Car Battery) Protection (Fuse): AC 750mA, DC: 5A Weight: 6.8kg