Can this be hard wired

Yes, but the power in on the back is still 12v. You’ll need a transformer or other solution in-wall to hard wire it. LED drivers can be used and are small and cheap. Just make sure it’s 3A or more.

Does this unit allow an external amplifier with existing in-wall wires to be used as the aux input inside the wall?

It's amplifier itself, has bluetooth, mic, USB, aux functions.

Can it be used for TV and in countries using 220 volt ? Thanks

This unit is a Bluetooth receiver with amplifier so it can be used with any device. The unit uses a 12volt dc power supply. As long you provide it the 12 volts dc you will be fine. The house voltage can be whatever your adapter takes to convert to 12 volts.

Where do i connect speakers ? what is max impedance for speakers?

There is a green terminal at the back of wall plate,could connect 4Ohm speakers.

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in Wall Audio Control Amplifier Receiver 2 Channel Wall Plate with USB Microphone Aux (3.5mm) Input 100Watt Max Module for Sound Systems Home Theater Integration Compatible with Bluetooth

Product ID: 151204868

Details

Audio Encoding
Stereo
Audio Output Mode
Stereo
Brand
Herdio
Color
white
Compatible Devices
Smartphone
Connectivity Technology
Bluetooth

📶30+ ft Bluetooth range

🔊100W max output power

🔌USB port for playback & charging

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R$551

Duties & taxes included

In stock

Sold byAmazon BrazilDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎶 Elevate your space with sound that’s wired for the future!

VERSATILE USB PORT - Play media directly from USB flash drives or charge your devices on the go—multitasking made easy.
PLUG PLAY AUX INPUT - Connect any external audio device instantly with the 3.5mm jack for ultimate flexibility.
SEAMLESS WIRELESS STREAMING - Bluetooth connectivity lets you stream effortlessly from any smart device within 30+ feet.
DISCREET WALL MOUNTED DESIGN - Sleek, easy-to-install wall plate blends seamlessly into your space for a clean, professional setup.
POWERFUL 2 CHANNEL AMPLIFICATION - Delivers crisp, room-filling sound with up to 100 watts max output for immersive home theater vibes.

The Herdio In-Wall Audio Control Amplifier Receiver is a sleek 2-channel wall plate delivering up to 100 watts of stereo sound. Featuring built-in Bluetooth with a 30+ foot wireless range, a USB port for media playback and device charging, plus a 3.5mm aux input, it integrates effortlessly into home theaters or office sound systems. Designed for easy installation, it offers a professional-grade audio upgrade that keeps your space clutter-free and connected.

Specifications

ASIN	B07WK65VHM
Audio Encoding	Stereo
Audio Output Mode	Stereo
Audio Output Type	Speakers
Best Sellers Rank	#43,238 in Electronics ( See Top 100 in Electronics ) #251 in Audio & Video Distribution Wall Plates
Brand	Herdio
Color	white
Compatible Devices	Smartphone
Connectivity Technology	Bluetooth
Connector Type	3.5mm Jack
Control Method	Touch
Controller Type	iOS
Customer Reviews	4.4 4.4 out of 5 stars (507)
Format	WMA
Manufacturer	Herdio
Mfr Part Number	HMA-16BT
Model Number	HWA-16BT
Number of Channels	2
Other Special Features of the Product	Built-In Bluetooth
Output Power	40 Watts
Output Wattage	100 Watts
Surround Sound Channel Configuration	2 Channel
Wattage	40 watts
Wireless Technology	Bluetooth

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