| QSC ISA800Ti Commercial Power Amplifier with 70V Transformer ISA800TI *Save The Tax Instantly! Use B&H Payboo to get an instant rebate on the Tax amount. [Pre Order - allow extra time] QSC ISA800Ti Commercial Power Amplifier with 70V Transformer 450W Per Channel at 8 Ohms, Built-In 70V Transformer, 25, 70, and 100V Outputs, Protection Circuitry, Built-In HD-15 DataPort V2, DSP Interface Capability,... more | | $1,640.00 FREE shipping go to store |