TOA VX-015DA TTW is a digital power amplifier module designed for the VX-3000 systems. It's a 1-channel class-D digital power amplifier, which contributes to energy-saving and lightweight design. The VX-015DA features a standby mode to reduce standby power consumption. It requires dedicated control units VX-3004F, VX-3008F, VX-3016F, and power supply unit VX-3000DS to operate. The power source is 31 V DC with an operating range of 20-33 V DC. Rated output power is 150 W at 100 V line, 105 W at 70 V line, and 75 W at 50 V line. Output voltage is selectable between 100 V, 70 V, and 50 V.