Whole-Home Audio Experience – Seamlessly play any of six sources across up to six rooms, with the ability to expand coverage up to 18 rooms for a comprehensive, immersive music experience throughout your entire home.Diverse Input Options – Equipped with four stereo line-level L&R RCA analog source inputs, a dedicated 3.5mm analog input, and an optical/3.5mm combination source input, this device caters to all your audio source needs.Versatile Pre-Amp Outputs – Features six stereo line-level pre-amp L&R RCA outputs (zones 1-6), providing flexible connectivity options with multichannel power amplifiers to enhance your audio output experience.Interactive Keypad Control – Optional control keypads offer built-in IR receivers for each zone, granting you an intuitive control interface for volume and source selection, enhancing the user experience.Convenient Remote Control – Includes an IR remote as part of the optional control keypad kit, complemented by a Cat5e network cable hub, ensuring optimal control and flexibility for your multi-room audio setup.The NERO Control12 is a highly flexible multi-channel audio distribution system that controls up to six zones with up to six different sources for well-rounded and easy-to-manage residential and commercial audio systems. This multi-functional and highly compatible and expandable controller is engineered with cutting-edge features including full control from iOS and Android devices. The free App duplicates the optional control keypads and allows you to select zones, adjust volume, treble and bass, or turn all zones on or off directly through a smartphone or tablet. Designed with A/V integrators and homeowners who want the most flexibility, the NERO Control12 includes numerous input sources including four stereo line-level RCA, one 3.5mm aux, and one optical/3.5mm combo analog source input. In addition, RS232 and ethernet ports allow transferring and receiving the serial data between home automation systems. The Control12 can be used in conjunction with both the MAX8 and MAX12 to support larger scale multi-zone applications. The Nero Control12 can control six separate stereo zones or rooms, and when coupled with our multichannel power amps can power in-ceiling, in-wall, or outdoor speakers, delivering genuinely great sound. Control is via a free App and sources can be anything from an old CD player to an Echo dot. Any of the six sources can be played in any of the rooms, or all of them. Specifications:Amplifier Type: WiFi 6 Zone Pre AmpFrequency Response: 20Hz-20KHz (-0.5dB)Impedance: >47 K OhmsTransformer Type: Switching PowerInputs: RCA, 3.5mm stereo, Optical, RJ45, RS-232Outputs: 12 x Pre-AmplifierSignal to Noise Ratio: >110 dB A-weightedAir-cooled or Fan-cooled: Air-cooledRemote Control: App controlled (Optional Remote)12 Volt Triggers: YesAuto-On Sensing: YesSub-Out: NoPower Supply: DC 15V/1.6ARack Mountable: YesDimensions (L x D x H): 17.32" x 7.72" x 1.73"Weight: 4.5 lbsRating: CE