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

📶30+ ft Bluetooth wireless range

🔊100W max output power

🔌USB port for media & charging

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S/.340

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Sold byAmazon PeruDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎶 Elevate your space with sound that’s always in reach.

SLEEK IN WALL DESIGN - Discreet installation blends into your home or office, elevating your sound setup without clutter.
DUAL FUNCTION USB PORT - Play media directly or charge your devices—convenience meets performance.
VERSATILE 3 5 MM AUX INPUT - Plug and play with any external audio source for ultimate flexibility.
POWERFUL 100 W AMPLIFICATION - Fill your space with crisp, room-filling sound that commands attention.
SEAMLESS BLUETOOTH STREAMING - Wirelessly connect any smart device within 30+ feet for effortless audio control.

The Herdio In-Wall Audio Control Amplifier Receiver is a sleek, 100W max power module designed for seamless home theater and sound system integration. 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 supports versatile audio sources. Its easy-to-install wall plate design fits perfectly in any home or office environment, delivering professional-grade stereo sound with intuitive touch control.

Specifications

ASIN	B07WK65VHM
Audio Encoding	Stereo
Audio Output Mode	Stereo
Audio Output Type	Speakers
Best Sellers Rank	#88,418 in Electronics ( See Top 100 in Electronics ) #73 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 (492)
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
Supported Internet Services	Spotify
Surround Sound Channel Configuration	2.0
Wattage	40 watts
Wireless Technology	Bluetooth

Reviews

T**K

I have 2 stores with with these systems. Professional sound for business ambience

2.08.2025

G**A

Ya tengo más de un año utilizándolo en mi taller y se escucha muy bien.

3.11.2023

D**N

Very easy to use. Bluetooth connected right away and sounds great. I hard wired it to 4, 8 watt speakers. Will be purchasing a couple more for future use

12.02.2024

G**I

Un pò scettico prima del montaggio ma poi mi ha stupito.prodotto favoloso si monta su una cassetta 503 tranquillamente senza nessuna modifica il collegamento bluetooth molto rapido.suono molto limpido e pulito. La possibilità di alimentarlo sia esternamente che internamente favoloso e molto facile visto che nella confezione c'è sia il trasformatore da esterno che lo spinotto per l'interno,consigliatissimo

6.12.2020

R**S

se conecta a la red wi fi en cuanto lo enciendo y se empareja al celular androi sin problema y la intensidad del volumen es muy buena intensidad

19.01.2026

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

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1 week ago

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Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.

S/.340

Duties & taxes included

In stock

Sold byAmazon PeruDelivered 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 Peru.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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