SNR: 58 dBImpedance: 4ΩOutput: 3W*2Power: USB/DC5VFrequency Response : 20Hz-20KHz Transform your computer into a powerful sound system with Kisonli Ks-04 Computer Speaker. With a SNR of 58 dB and an impedance of 4Ω, these speakers produce high-quality sound with 3W*2 output power. No need for batteries or bulky cords, simply plug into a USB or DC5V power source and enjoy crystal clear audio. And with a frequency response of 20Hz-20KHz, you'll experience every note and beat with precision and clarity. Elevate your audio experience and upgrade your computer with Kisonli Ks-04 Computer Speaker.