Pyle PFA300 Hi-Fi 2-Channel Stereo Class-T Amp (90 Watts) • Total output power: 90 watts;• Frequency response: 20 Hz to 20 kHz for acoustically accurate reproduction of music with low distortion;• Speaker impedance: 2 ohms to 8 ohms;• Signal-to-noise ratio: >80 dB ;• Total harmonic distortion: