The QTX Q Series Stereo Power Amplifier is a stereo workhorse power amplifier with multiple input and output connection options. Designed for accurate and reliable service for venues, DJs and performers. It is 19" rack-mountable (2U) and features 6.3mm jack or RCA inputs, SPK, 6.3mm jack or 4mm post outputs, and is fan cooled. Specifications: Weight: 5.2kg / 6.45kg Dimensions: 482 x 240 x 88mm (2U) / 482 x 300 x 88mm (2U). Power RMS 8 Ohms: 2 x 40W / 2 x 80W. Power RMS 4 Ohms: 2 x 60W / 2 x 120W. Power max. 4 Ohms: 2 x 120W / 2 x 240W. Fuse rating: T2A (240V) & T4A (110V) / T5A (240V) & T10A (110V). Power supply: 230Vac, 50Hz (IEC). Frequency response: 20Hz - 20kHz. Input connectors: 6.3mm jack, RCA (L+R). Input sensitivity: 775mV, 10k Ohms. S/N ratio: >98dB. THD: <0.5%. Output connectors: 6.3mm jack, SPK, 4mm binding posts (L+R).