Best Zone Speaker Selector

5m APA102 Smart LED Pixel Strip 30 LEDs/Pixels/m,Non-Waterproof IP30 Data and Clock Seperately DC5V Black PCB

Bluetooth 4.2 with aptX technology for wireless Hi-Fi listening.
Dual stereo RCA line level inputs switch sources automatically.
Convenient signal sensing power on and trigger modes save power when not in use.
A/B speaker selector simplifies connectivity.
5-way binding posts on both sets of L/R speaker outputs.

AUTO CALIBRATION: D.C.A.C. EX and virtual speaker relocation technology optimize sound to any room.
PHANTOM SURROUND SETTING: Experience 7 channel surround sound with only a 5 channel speaker setup.
ADVANCED AUDIO: DTS:X object based surround sound adapts to your speaker configuration in real time.
4K PASS THROUGH: 4K HDR compatible with HDCP 2.2 support for sharper source to screen image quality.
MULTIFUNCTIONAL SYSTEM: Enjoy a multi channel stereo setup and preset channel FM / AM radio tuner.
EASY LISTENING: The STRDN1080 has Chromecast and is AirPlay, Multi-Room and Google Home compatible.
DYNAMIC SETUP: 6 in/2 out HDMI flexibility, front USB port and optical digital/analog AV connections.
SPECS: 1155W, 6 ohm, 1kHz, THD 0.9% A/V receiver with 2nd zone and available 3rd zone connectivity.
IN THE BOX: Receivers include a calibration microphone, FM wire antenna, remote control, batteries.

... Rockville HOME MATRIX 4 Zone 8 channel 600w RMS Multi Room/Multi Source Receiver/Amplifier. 600 Watts Total RMS @ less than 1 % THD (75 Watts RMS per zone x 8 Zones). Route Any Sources to Any Zones. Includes a remote with zone source and zone volume controls. Supports 4-8 ohm speakers. Bluetooth playback with quick phone connection and long range. USB input to play audio stored on a thumb drive with matrix assigning to any zone(s) (32gb max). RCA line input. Optical input..
Coaxial input. Built in FM radio. RCA output on each zone (4 sets total). 8 sets of amplified speaker outputs. 2 Mic inputs will play on all zones . Master volume control knob. Source selection on each zone . Bass, treble, and volume control on each zone. Mic inputs have volume control, bass, treble, echo, and delay controls. 19" rack mountable (removable rack brackets). MIC priority button will lower the music when talking into the mic when priority is activated..
Built in variable speed fan cooling system keeps component cool at all times. 110/220V switchable. Frequency Response vs THD + N (Worst case, across normal bandwidth 1w @ 8ohm) :.

... Rockville HOME MATRIX 4 Zone 8 channel 600w RMS Multi Room/Multi Source Receiver/Amplifier. 600 Watts Total RMS @ less than 1 % THD (75 Watts RMS per zone x 8 Zones). Route Any Sources to Any Zones. Includes a remote with zone source and zone volume controls. Supports 4-8 ohm speakers. Bluetooth playback with quick phone connection and long range. USB input to play audio stored on a thumb drive with matrix assigning to any zone(s) (32gb max). RCA line input. Optical input..
Coaxial input. Built in FM radio. RCA output on each zone (4 sets total). 8 sets of amplified speaker outputs. 2 Mic inputs will play on all zones . Master volume control knob. Source selection on each zone . Bass, treble, and volume control on each zone. Mic inputs have volume control, bass, treble, echo, and delay controls. 19" rack mountable (removable rack brackets). MIC priority button will lower the music when talking into the mic when priority is activated..
Built in variable speed fan cooling system keeps component cool at all times. 110/220V switchable. Frequency Response vs THD + N (Worst case, across normal bandwidth 1w @ 8ohm) :.

The 15-mm birch plywood cabinet, 10-inch ferrite LF driver, and 1.75-inch titanium diaphragm compression driver reproduce a clean, full-range sound with low distortion.
The acoustic tube in the cabinet absorbs only the standing waves, increasing the low-to-mid frequency response.
The durable, birch plywood enclosure keeps your PA speaker safe, while carefully placed handles take the hard work out of transit and set-up.
Adapt to a variety of genres and environments using the rotary selector switch on the back of the speaker to give you instant access to 4 EQ modes: Flat, Bass +, Speech, and Wedge.
Packed with features to protect the drivers, amp, and power supply, giving you peace of mind, consistent, high-quality sound, and extending the life of your sound system.

Bluetooth to your favorite streaming music services.
Frequency Response: 10Hz – 100kHz (0 plus/ minus 0.5 dB / 0 plus/ minus 3.0 dB).
Brushed aluminum finish and simplistic design.
Speaker selector for 2 systems. Input Sensitivity (CD): 500 MV/47k ohms.

Separate left and right ground paths for compatibility with all amplifiers, including Bridged designs.
Removable Screwless connectors accommodate up to 14-gauge wire. Rugged all metal chassis construction..
Non-skid feet won't scratch furniture and ensure unit stability during operation 72 adhesive-backed room identification labels requires an amplifier that is compatible with a 4 Ohm load.

6-Position rotary selector with individual LED’s for up to five pins plus internal battery life check.
‘Banana’ connector continuity tester with beeper and LED indicator.
Super-rugged construction for durability and longer life.
(2) speaker twist connectors for testing of 4 pin->to pin connections.
(2) XLR connectors (1 x male, 1 x Female) for testing of 3 pin->to pin connections.

...we are confident of the quality of our product, therefore, we offer a 30-day money-back guarantee, no questions asked..
2x120W RMS at 4 Ohm - Master Volume Control.
Blue LED Output Level Display - RCA L/R Input.
Power on LED Indicator - Four Push Type Speaker L/R Terminals.
3.5mm Aux CD/MP3 Input Jack - 110/220 Voltage Selector.