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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Herdio 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

📶Bluetooth 5.0 Wireless Range 30+ ft

🔊100W Peak Power Output

🔌USB Port for Charging & Playback

NZ$134

Duties & taxes included

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Sold byAmazon New ZealandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎶 Elevate your space with sound that speaks volumes—wireless, powerful, and effortlessly sleek!

SLEEK IN WALL DESIGN - Universal wall plate fits standard US gang boxes for a clean, minimalist look that blends effortlessly into any modern space.
POWERFUL 100 W AMPLIFIER - Delivers robust sound with 40W RMS per channel, perfect for immersive home theaters or professional office ambiance.
DEVICE CHARGING ON THE GO - Integrated USB port doubles as a charger, keeping your devices powered while you enjoy uninterrupted audio streaming.
MULTI SOURCE AUDIO INPUTS - Supports USB flash playback, 3.5mm AUX, and microphone input for versatile sound control and paging capabilities.
SEAMLESS WIRELESS STREAMING - Bluetooth 5.0 ensures crystal-clear audio from any smart device within 30+ feet—cut the cords, not the quality.

The Herdio In-Wall Audio Control Amplifier Receiver is a 100W peak power, Bluetooth 5.0-enabled wall plate module designed for seamless integration into home or office sound systems. Featuring USB playback and charging, 3.5mm AUX input, and microphone paging, it offers versatile, high-quality stereo sound with easy installation and universal compatibility.

Specifications

ASIN	B07WK65VHM
Audio Encoding	Stereo
Audio Output Mode	Stereo
Audio Output Type	Speakers
Best Sellers Rank	#7,073 in Electronics ( See Top 100 in Electronics ) #4 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 (498)
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
Supported Internet Services	Spotify
Surround Sound Channel Configuration	2.0
Wattage	40 watts
Wireless Technology	Bluetooth

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NZ$134

Duties & taxes included

In stock

Sold byAmazon New ZealandDelivered 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 New Zealand.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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