JBL PSB-1 Pro - 2-Channel Commercial-Grade Soundbar Speakers The B122-000-4K6 is recommended for

The B122-000-4K6 is recommended for digital signs or video presentations in schools

It also supports DTS-HD

Name: Hikvision DS-7608NI-I2/8P 12MP 8-Channel Embedded Plug-and-Play NVR

Vertical mounting rails adjust in 1/4 in

The other port is for LAN OUT

JBL PSB-1 Pro - 2-Channel Commercial-Grade Soundbar Speakers The B122-000-4K6 is recommended forThe JBL PSB 1 Pro Soundbar is a full range, two channel, commercial grade sound bar, well suited for hotel guestrooms, cruise ship staterooms, meeting rooms, and public spaces. The PSB 1 Pro is optimized for reduced cost and complexity with professional quality sound, security, and reliability. The all in one design utilizes a Class D amplifier (20W per channel) to power the 0. 75" soft dome tweeter and a 2. 0" low frequency driver, which combine for