Can this connect to speaker output for rear speakers?

The input is for a line level out from a sound source BEFORE an amplifier. IF you are looking for something to use on the speaker side of an amplifier this WILL NOT WORK.

I tried using this for a bose bass 500 subwoofer which has a 3.5mm audio plug at each end, but it didn't work. bose may use a special signal. ideas?

This is designed for a line out from the source to the amp. It uses RCA jacks. If you are using between amp and speakers, that is an amplified signal and most likely overdriving this unit. Just my thoughts. Hope this helps.

Is it possible to get replacement antennas for the RT5066? Mine are missing.

I am not sure but I don't see why not. You can use other antenna that fits the thread.

Can you buy an extra receiver? I need 1 transmitter and 2 receivers.

The product we don't sell separately comes in a complete set.

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1Mii 2.4Ghz Wireless Audio Transmitter Receiver Set (1 TX + 1 RX) for TV

Product ID: 398052450

Details

Audio Output Mode
Stereo
Brand
1Mii
Color
black
Compatible Devices
Home Stereo
Connectivity Technology
2.4GHz
Connector Type
RCA

⚡20ms ultra-low audio delay

📡320FT ultra-long wireless range

🔊HiFi stereo sound quality

€ 132.83

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Sold byAmazon CyprusDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎧 Cut the Cords, Keep the Clarity — Wireless Audio, Elevated.

PLUG PLAY SIMPLICITY - Instant connection with RCA and 3.5mm AUX inputs—no tech headaches, just pure audio bliss.
UNIVERSAL COMPATIBILITY - Works effortlessly with powered speakers, home stereos, soundbars, and AV receivers for ultimate flexibility.
NEAR ZERO LATENCY AUDIO SYNC - Experience crystal-clear sound with less than 20ms delay—perfect for TV, movies, and gaming.
SEAMLESS 320 FT WIRELESS FREEDOM - Cut the cords and stream your audio across rooms or even your backyard without signal dropouts.
INTERFERENCE RESISTANT 2 4 G HZ TECH - Stable, noise-free audio even in busy home or office environments—your soundtrack stays flawless.

The 1Mii 2.4GHz Wireless Audio Transmitter Receiver Set delivers high-fidelity stereo sound with an impressive 320-foot wireless range and ultra-low 20ms latency. Designed for seamless plug-and-play use, it connects TVs, powered speakers, and home stereo systems via RCA or 3.5mm AUX inputs, eliminating cable clutter while maintaining crystal-clear, interference-resistant audio. Ideal for professionals seeking premium sound quality and flexible wireless connectivity throughout their living or workspaces.

Specifications

ASIN	B09MCGQ8S2
Audio Output Mode	Stereo
Audio Output Type	Speakers
Best Sellers Rank	#17,651 in Electronics ( See Top 100 in Electronics ) #105 in Wireless Audio Receivers & Adapters
Brand	1Mii
Built-In Media	1Mii RT5066 Wireless Audio Transmitter+ Receiver, Antenna 2, DC 5V Power Cable+Power Adapter 2, RCA Audio Cable * 2, RCA to 3.5 Male Audio Cable * 2
Color	black
Compatible Devices	Home Stereo, Powered Speaker, Television
Connectivity Technology	2.4GHz, Wireless
Connector Type	RCA
Control Method	Push Button
Controller Type	Push Button
Customer Reviews	4.1 4.1 out of 5 stars (663)
Format	WAV
Item Dimensions D x W x H	2.3"D x 3.8"W x 0.94"H
Item Highlight	320FT Long Range 20ms Low Delay HiFi Audio w/RCA(3.5mm AUX) Out/In, Wireless Adapter Kit for Powered Speaker/Stereo/Soundbar
Manufacturer	1Mii
Mfr Part Number	RT5066R1
Model Number	RT5066
Number of Channels	2
Number of Items	1
Other Special Features of the Product	Audio Transmitter and Receiver w/ RCA Input& Output, HiFi Stereo Sound, Long Wireless Range 320ft (100m), Plug and Play, Wireless Powered Speaker Adapter 2.4Ghz Low Latency
Output Wattage	5 watts
Surround Sound Channel Configuration	2
Unit Count	72 Count
Warranty Description	1 year manufacturer
Wattage	5 watts
Wireless Technology	2.4Ghz

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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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€ 132.83

Duties & taxes included

In stock

Sold byAmazon CyprusDelivered 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 Cyprus.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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The product exactly matches the description. Very satisfied with my purchase.

5 days ago

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2 months ago

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