This listing is for 2nos PDUs used 3 times in excellent condition!! For Sale: Two APC AP7551 16-way rackmount PDUs in excellent condition, used only 3 times. Fully functional and tested, minimal wear – almost like new. Professional Use: Previously used in concert and festival stage setups by audio and lighting engineers. APC AP7551, 16-way PDU, rack PDU bundle, Zero-U, 16A power distribution, server rack power, IEC C13, IEC C19, IT rack equipment, professional PDU, concert PDU, festival power, live sound, AV rack power, stage setup, event engineer, audio engineer, lighting engineer, used like new, dual PDU.