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

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

Product ID: 404350820

Details

Audio Encoding
Stereo
Audio Output Mode
Stereo
Brand
Herdio
Compatible Devices
Speaker
Connectivity Technology
Auxiliary USB
Connector Type
3.5mm Jack USB

📶Built-in Bluetooth wireless streaming

🔊100W max output power

🔌Universal wall plate with USB & 3.5mm aux inputs

SAR 397

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Description

🎶 Elevate your space with invisible power — sound that’s always on, always connected.

POWERFUL 100 W OUTPUT - Delivers rich, room-filling sound that transforms your home theater or office space into an immersive audio experience.
SLEEK IN WALL DESIGN - Universal standard wall plate fits most US electrical boxes for a clean, professional installation that blends into your décor.
STEREO SOUND EXCELLENCE - 2.0 channel stereo output ensures crisp, balanced audio for music, movies, and calls—no compromises on clarity.
VERSATILE CONNECTIVITY OPTIONS - Supports USB microphone and 3.5mm aux inputs, making it perfect for presentations, music, and multi-device setups.
SEAMLESS WIRELESS AUDIO STREAMING - Built-in Bluetooth lets you effortlessly connect and stream from any device, cutting the cord without cutting quality.

The Herdio In-Wall Bluetooth Audio Control Amplifier Receiver is a sleek, wall-mounted sound solution featuring 100W max output, built-in Bluetooth for wireless streaming, and versatile USB and 3.5mm aux inputs. Designed to fit standard US electrical boxes, it delivers high-quality stereo sound ideal for home theaters, offices, and business environments seeking a clean, integrated audio experience.

Specifications

ASIN	B07WK65VHM
Audio Encoding	Stereo
Audio Output Mode	Stereo
Audio Output Type	Headphones
Best Sellers Rank	#1,067,379 in Electronics ( See Top 100 in Electronics ) #90 in Audio & Video Wall Plates
Brand Name	Herdio
Compatible Devices	Speaker
Connector Type	3.5mm Jack, USB
Customer Reviews	4.3 4.3 out of 5 stars (498)
Format	WMA
Manufacturer	china
Manufacturer Part Number	HMA-16BT
Model Number	HWA-16BT
Network Connectivity Technology	Auxiliary, Bluetooth, USB
Number of Channels	2
Other Special Features of the Product	Built-In Bluetooth
Output Power	100 Watts
Output Wattage	100 Watts
Surround Sound Channel Configuration	2.0
Wattage	40 Watts
Wireless Technology	Bluetooth

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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TrustScore 4.5 | 7,300+ reviews

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SAR 397

Duties & taxes included

In stock

Sold byAmazon KSADelivered 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 KSA.

Secure transaction

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Join PRO →

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TrustScore 4.5 | 7,300+ reviews

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