Power Supply for Polycom SoundPoint 24VDC for IP320, 330, 430, 450, 550, 560, 601, 650, 670 This Replacement Power Supply is Compatible with OEM Power Supply P/N: 1465-42340-001 Works on Polycom IP Phones 320, 330, 430, 450, 550, 560, 601, 650, 670 Input: 100-240VAC; 50-60Hz Output: 24 V DC/500mA Input: 100-240VAC; 50-60Hz | Output: 24 V DC/500mA