The Nu Prime STA-100 is a standout entry-level high-end audio amplifier delivering an impressive 100 Watts at 8 Ohms & 150 Watts at 4 Ohms with two channels driven. Sonic output is both neutral & full of detail for authentic experiences & broader genre compatibility. Powered by Nu Primes innovative Adaptive Voltage Switching Power Supply design STA-100 enhances details at low volumes & delivers explosive power at high volumes. Further features include high-speed gate driver error correction & advanced circuitry which shields against short circuits overload over-temperature & under-voltage. This potent combination of power precision & protection makes the Nu Prime STA-100 an excellent choice for audiophiles seeking top-tier performance without spending a fortune