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 Wall Plate with USB Microphone Aux (3.5mm) Input 100Watt Max Module for Sound Systems Home Theater Integratio

Product ID: 267469430

Details

Brand
Herdio
Compatible devices
Smartphone
Connectivity technology
Bluetooth USB
Controller type
iOS
Special features
Built-In

📶30+ ft Bluetooth wireless range

🔊100W max output power

🔌USB port for media & charging

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Description

🎶 Elevate your sound game — control your vibe, wirelessly and effortlessly!

SLEEK IN WALL DESIGN - Discreet, easy installation blends perfectly into your home or office décor.
DUAL FUNCTION USB PORT - Play media directly from USB flash drives or charge your devices on the go.
UNIVERSAL AUX 3 5 MM INPUT - Plug and play with any external audio source for ultimate versatility.
POWERFUL 100 W STEREO OUTPUT - Fill your space with rich, room-filling sound that commands attention.
SEAMLESS BLUETOOTH STREAMING - Wirelessly connect any smart device within 30+ feet for effortless music control.

The Herdio In-Wall Audio Control Amplifier Receiver is a sleek, 100W max power module designed for seamless integration into home theaters and sound systems. 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 offers versatile connectivity. Its easy-to-install wall plate design ensures a clean, professional look while delivering rich stereo sound for any modern smart device.

Specifications

ASIN	B07WK65VHM
Audio Encoding	Stereo
Audio Output Mode	Stereo
Audio Output Type	Speakers
Best Sellers Rank	#60,890 in Electronics ( See Top 100 in Electronics ) #50 in Audio & Video Distribution Wall Plates
Brand	Herdio
Color	white
Compatible Devices	Smartphone
Connectivity Technology	Bluetooth, USB
Connector Type	3.5mm Jack
Control Method	Touch
Controller Type	iOS
Customer Reviews	4.3 4.3 out of 5 stars (504)
Format	WMA
Manufacturer	Herdio
Mfr Part Number	HMA-16BT
Model Number	HWA-16BT
Number of Channels	2
Number of Items	1
Other Special Features of the Product	Built-In Bluetooth
Output Power	100 Watts
Output Wattage	100 Watts
Software Update Supported to Date	unknown
Supported Internet Services	Spotify
Surround Sound Channel Configuration	2.0
Wattage	40 watts
Wireless Technology	Bluetooth

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$118.38

Duties & taxes included

In stock

Sold byAmazon British Virgin IslandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to British Virgin Islands.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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Perfect platform for hard-to-find items. Delivery was prompt.

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