--- product_id: 230544110 title: "1Mii B03Pro Bluetooth 5.3 Transmitter Receiver for Home Stereo TV, HiFi Wireless Audio Adapter with Audiophile DAC & aptX Low Latency/HD/Adaptive, Long Range, Optical RCA AUX 3.5mm Outputs/Inputs" brand: "1mii" price: "544 zł" currency: PLN in_stock: true reviews_count: 13 category: "1 Mii" url: https://www.desertcart.pl/products/230544110-1mii-b03pro-bluetooth-5-3-transmitter-receiver-for-home-stereo store_origin: PL region: Poland --- # Dual aptX Low Latency streams, <40ms delay Bluetooth 5.3 with 265ft/80m range ESS Sabre Audiophile DAC 121dB SNR 1Mii B03Pro Bluetooth 5.3 Transmitter Receiver for Home Stereo TV, HiFi Wireless Audio Adapter with Audiophile DAC & aptX Low Latency/HD/Adaptive, Long Range, Optical RCA AUX 3.5mm Outputs/Inputs **Brand:** 1mii **Price:** 544 zł **Availability:** ✅ In Stock ## Summary > 🎶 Elevate your soundscape — audiophile-grade wireless freedom for the discerning ear! ## Quick Answers - **What is this?** 1Mii B03Pro Bluetooth 5.3 Transmitter Receiver for Home Stereo TV, HiFi Wireless Audio Adapter with Audiophile DAC & aptX Low Latency/HD/Adaptive, Long Range, Optical RCA AUX 3.5mm Outputs/Inputs by 1mii - **How much does it cost?** 544 zł with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/230544110-1mii-b03pro-bluetooth-5-3-transmitter-receiver-for-home-stereo) ## Best For - 1mii enthusiasts ## Why This Product - Trusted 1mii brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Dual Device Streaming:** Connect two Bluetooth headphones or speakers simultaneously with aptX Low Latency tech to eliminate lip-sync delays and share your audio vibe effortlessly. - • **Plug & Play Simplicity:** No tech headaches here—just connect, power on, and enjoy instant Bluetooth pairing with 99% of devices, backed by thoughtful design and premium build quality. - • **Versatile Multi-Input/Output:** Plug into any setup with Optical, RCA, and 3.5mm AUX ports—perfect for TVs, stereos, and personal devices, making your audio ecosystem smarter and sleeker. - • **Audiophile-Grade Sound Quality:** Experience pristine, lossless audio with the ESS Sabre DAC delivering a stellar 121dB signal-to-noise ratio for crystal-clear highs and deep lows. - • **Next-Gen Bluetooth 5.3 Connectivity:** Seamlessly stream with ultra-stable, long-range wireless up to 265ft line-of-sight, ensuring your music follows you anywhere at home or office. ## Overview The 1Mii B03Pro is a cutting-edge Bluetooth 5.3 transmitter and receiver featuring an ESS Sabre audiophile DAC with a 121dB signal-to-noise ratio. It supports multiple aptX codecs including Low Latency and HD for superior wireless audio quality. Designed for long-range use with dual antennas, it offers up to 265ft line-of-sight connectivity and can stream to two Bluetooth devices simultaneously. Compatible with Optical, RCA, and 3.5mm AUX inputs/outputs, it integrates effortlessly with home stereos, TVs, headphones, and speakers. Ideal for professionals and audiophiles seeking premium wireless audio performance with hassle-free setup. ## Description Product description Bluetooth Audio Transmitter for TV Transmit stereo audio wirelessly from your non-Bluetooth TV to your Bluetooth device Bluetooth Audio Receiver Stream music from smartphones/tablets/PC to your stereo/speakers/car radio Share TV with Your Family When connect your wireless headphones via Bluetooth, can also connect your wired speakers via cable The latest Bluetooth 5.3 technology Ensures a stable, high-quality Bluetooth audio experience Resolution up to 384 kHz/32 bit First-class D/A converter for the best sound Stable Indoor Connection up to 80FT achieve a range of up to 265ft (80m) line-of-sight in open air and up to 80-110ft (25-35m) indoors Share with others Pair with two Bluetooth headphones or two Bluetooth speakers at the same time aptX HD/aptX LL/aptX AD/aptX/AAC/SBC To use the aptX LL/HD functions, a bluetooth headphone/speaker that supports aptX LL/HD is required. Readable Screen This Bluetooth transmitter gives you a clear view of when the device is paired. Clearly visible status indicators allow you to see and understand what is going on and provide direct volume control. Multiple Interfaces 1Mii B03Pro Bluetooth audio transmitter supports both analog (RCA / 3.5mm AUX audio) and digital (optical) inputs and outputs, which allows your Bluetooth audio transmitter to be compatible with most TVs or home stereo systems on the market. 1Mii Bluetooth Audio Transmitter Receiver for TV 1Mii B03 1Mii B03+ 1Mii B03Pro 1Mii B03S 1Mii B03Pro+ Review: Excellent Bluetooth adapter with strong range and impressive audio quality - Very impressed with the overall performance and flexibility of this Bluetooth transmitter/receiver. Setup is straightforward, and switching between different audio sources and connection types is simple once configured. The variety of inputs and outputs makes it easy to integrate into existing stereo, TV, or receiver setups. Audio quality stands out immediately, with clear, detailed sound and noticeably better performance than basic Bluetooth adapters. The connection remains stable, and when paired with compatible devices supporting low latency codecs, audio sync performs very well for TV and video use. Range is another highlight. The dual antenna design delivers excellent coverage throughout the home, maintaining a reliable connection even across rooms where other Bluetooth devices often struggle. A major advantage is the ability to connect two headphones or speakers simultaneously in transmitter mode, making shared listening much easier. It also works well as a receiver for bringing wireless audio into older stereo equipment. Overall, this performs much closer to a wired experience than expected. Music, TV audio, and streaming remain stable, and the adapter provides a clean, high-quality wireless solution with excellent versatility. Review: A++ Extremely Satisfied!! - First thing I will say is that I already own a earlier version of the model 1Mii B03 and can vouch for the excellent customer / technical support I received in the past. When there was a question depending on the time of day the email was sent sometimes I received an answer back within a few hours. So customer support gets an A+ right off the bat. As a former Product Design Engineer one of the first things I look for is attention to detail and quality. And although it may not have any effect whatsoever on the operation of a particular product. Sometimes the packaging will give one a little insight into what to expect if that attention is carried all the way through to the final product. So from the moment I received this unit I was very impressed at how well it was packaged. There was a quick start guide immediately visible upon opening of the carton with well written and clear instructions. The new Hi Fi version B03 Pro also has attention to details designed into it along with a quality look and feel as did its predecessor. The included full-size multi language manual is also well written, clear, & concise with lots of diagrams to assist in setting up the unit depending on how it is to be connected. The B03 Pro comes with everything required to install and connect it to a TV, or stereo receiver including the B03 Pro transmitter / receiver, power adapter, USB charging cable, optical cable, 3.5 mm audio cable, & a 3.5 mm to RCA cable. Syncing the Bluetooth worked flawlessly with my old and new iDevices in the receiver mode. Nor did I have any problem syncing to my Bluetooth headphones in the transmitter mode. I connected the B03 Pro to my Yamaha A1000 receiver, and to be perfectly honest was not expecting to be able to discern any appreciable sound quality difference from my older unit. Much to my pleasant surprise the new Pro version was significantly better in sound quality. The dynamic range from highs to low was nothing short of astounding! As was the sound when the B03 Pro was transmitting to my headphones as well. Overall I give this unit A++ for sound quality, ease of setup & syncing, price point value, looks and functionality. I can honestly highly recommend the B03 Pro to anyone who is a audiophile with a discerning ear for Hi Fi sound. You will not be disappointed. ## Features - 【Bluetooth 5.3】Featuring the latest Bluetooth 5.3 and support for Qualcomm aptX Adaptive, aptX Low Latency, aptX HD, aptX, AAC and SBC decoding. NOTE: AAC is only available in receiver mode, while aptX Low Latency is only available in transmitter mode - 【Best-in-Class Audio】Built-in SABRE DAC which is widely recognized by audiophiles as the gold standard for audio performance, this allies perfectly with the Qualcomm chip. Allowing you to enjoy the superior resolution and detail, consistently deliver excellent signal to noise ratio 121dB. The true Hi-Fi Audiophile Digital to Analogue Converter DAC allows 1Mii HiFi adapter to decode and play audio files in all their lossless glory - 【Extend Long Range】Utilizing Class 1 Bluetooth technology and designed with dual antennas, 1Mii B03Pro Bluetooth transmitter receiver can achieve a range of up to 265ft (80m) line-of-sight in open air and up to 80-110ft (25-35m) indoors. *NOTE: Operation range can be affected by Wi-Fi routers, wireless TV adapter, physical obstructions like walls, metal obstacles etc. and also depends on receiving device - 【No Lip Sync Delay & Dual Stream】aptX Low Latency technology eliminates Bluetooth audio delay, and B03Pro supports dual link Simultaneously, pair with two Bluetooth headphones/speakers, both enjoy ultra-fast audio streaming. **Note: To achieve low latency ( <40ms delay), your receiving device must also support aptX Low Latency, or you may experience a 70-220ms delay - 【Mindless Operation】Simply plug audio cable and press the power button to start, the Bluetooth adapter will detect your Bluetooth device easily. Compatible with 99% of TVs, Bluetooth headphones or speakers, Home stereo system, supports Optical, AUX, RCA Audio outputs / inputs - 【NOTE】1Mii B03Pro Bluetooth Transceiver cannot work in both receiving (RX) and transmitting (TX) modes at the same time, the user must select one of the modes to use. Contact after-sales for connectivity issues ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08J7MKYN1 | | Additional Features | Connect 2 wireless headphones or speakers, High-definition Audio, Optical, 3.5mm AUX, RAC Port, aptX Low Latency/HD/Adaptive, with Extra DAC | | Audio Input | RCA, 3.5mm AUX, Optical | | Audio Output Mode | Stereo | | Audio Output Type | Headphone, Speaker | | Best Sellers Rank | #22,864 in Electronics ( See Top 100 in Electronics ) #126 in Wireless Audio Receivers & Adapters | | Bluetooth support? | Yes | | Brand | 1Mii | | Built-In Media | 1Mii B03Pro Bluetooth Transmitter Receiver, 3.5mm AUX, RCA to 3.5mm AUX, Optical Audio Cable, USB Power Adapter and USB Power Cable, User Manual | | Color | Black1 | | Compatibility Options | Amplifier, Personal Computer, Tablet, Smartphone, Television, Headphone, Speaker | | Compatible Devices | Amplifier, Headphone, Speaker, Personal Computer, Tablet, Tablet, Smartphone, Television | | Connectivity Technology | Bluetooth | | Connector Type Used on Cable | RCA | | Control Method | Push Button | | Controller Type | Button Control | | Customer Reviews | 4.2 out of 5 stars 1,099 Reviews | | Enclosure Material | Acrylonitrile Butadiene Styrene (ABS) | | Hardware Interface | Bluetooth | | Includes Remote | No | | Installation Type | External | | Item Dimensions L x W x H | 3.8"L x 2.9"W x 0.9"H | | Manufacturer | 1Mii | | Material | Acrylonitrile Butadiene Styrene (ABS) | | Model Name | B03Pro | | Number of Channels | 2 | | Outer Material | Plastic | | Power Source | Corded Electric | | Product Dimensions | 3.8"L x 2.9"W x 0.9"H | | Rechargeable Battery Included | No | | Special Feature | Connect 2 wireless headphones or speakers, High-definition Audio, Optical, 3.5mm AUX, RAC Port, aptX Low Latency/HD/Adaptive, with Extra DAC Special Feature Connect 2 wireless headphones or speakers, High-definition Audio, Optical, 3.5mm AUX, RAC Port, aptX Low Latency/HD/Adaptive, with Extra DAC See more | | Supported Application | Any audio application | | Supported Media Type | Bluetooth | | Supported Standards | Bluetooth 5.3, aptX Adaptive, aptX Low Latency, aptX HD, aptX, AAC, and SBC | | Warranty Description | 12 Months | | Wireless Compability | Bluetooth | ## Product Details - **Brand:** 1Mii - **Connectivity Technology:** Bluetooth - **Material:** Acrylonitrile Butadiene Styrene (ABS) - **Power Source:** Corded Electric ## Images ![1Mii B03Pro Bluetooth 5.3 Transmitter Receiver for Home Stereo TV, HiFi Wireless Audio Adapter with Audiophile DAC & aptX Low Latency/HD/Adaptive, Long Range, Optical RCA AUX 3.5mm Outputs/Inputs - Image 1](https://m.media-amazon.com/images/I/51HGEVxqfFL.jpg) ![1Mii B03Pro Bluetooth 5.3 Transmitter Receiver for Home Stereo TV, HiFi Wireless Audio Adapter with Audiophile DAC & aptX Low Latency/HD/Adaptive, Long Range, Optical RCA AUX 3.5mm Outputs/Inputs - Image 2](https://m.media-amazon.com/images/I/61oKPjz68lL.jpg) ![1Mii B03Pro Bluetooth 5.3 Transmitter Receiver for Home Stereo TV, HiFi Wireless Audio Adapter with Audiophile DAC & aptX Low Latency/HD/Adaptive, Long Range, Optical RCA AUX 3.5mm Outputs/Inputs - Image 3](https://m.media-amazon.com/images/I/61zlGssm+EL.jpg) ![1Mii B03Pro Bluetooth 5.3 Transmitter Receiver for Home Stereo TV, HiFi Wireless Audio Adapter with Audiophile DAC & aptX Low Latency/HD/Adaptive, Long Range, Optical RCA AUX 3.5mm Outputs/Inputs - Image 4](https://m.media-amazon.com/images/I/71IkLpyNXzL.jpg) ![1Mii B03Pro Bluetooth 5.3 Transmitter Receiver for Home Stereo TV, HiFi Wireless Audio Adapter with Audiophile DAC & aptX Low Latency/HD/Adaptive, Long Range, Optical RCA AUX 3.5mm Outputs/Inputs - Image 5](https://m.media-amazon.com/images/I/518wwbPlnsL.jpg) ## Available Options This product comes in different **Color** options. ## Questions & Answers **Q: Can you change which of your 2 bluetooth devices you're are streaming too?** A: Not automatically no. It’s quite mechanical. You either connect or disconnect a device. If u want to choose which headphones to connect to, you either have to do it from The transmitter (which is not so straight forward), or you will to unpair / turn off the headphones that you dont want to use. **Q: Will this connect to the bose s1, extending the distance? some dj gigs i need a wireless speaker set up.** A: Two of them as a pair (one in transmit mode and the other in receive mode) have a theoretical line-of-sight transmission distance of 265 ft. So if that is greater than your present Bluetooth limits, and your Bose speakers have standard line-level input jacks, the answer to your question should probably be “yes”. I’m presently using two across opposite ends of a home theater, and the nearly instantaneous “lip-sync” transmission of extremely high-quality stereo audio is truly impressive. **Q: will this connect to a radio with a 3.5 mm headphone jack? . The radio in not bluetooth but I want it to transmit BT** A: You can use AUX3.5mm to connect the radio and B03Pro+, and then use a Bluetooth headset to pair with B03Pro+ via Bluetooth. **Q: Can this pair with Jabra Elite 75t** A: Don't know, BUT It will not pair with 4 different bluetooth speakers I own. It will pair with windows laptop and desk top HP. speakers I bought from Amazon (Doss Soundbox XL) Will not pair. 1 out of 5 rate score for me. Amazon sent me a Email or I wouldn't waste my time. But fill my in box and you shall receive. Buy the cheep one, check the Frequency of your device FIRST !!! ## Customer Reviews ### ⭐⭐⭐⭐⭐ Excellent Bluetooth adapter with strong range and impressive audio quality *by K***K on May 15, 2026* Very impressed with the overall performance and flexibility of this Bluetooth transmitter/receiver. Setup is straightforward, and switching between different audio sources and connection types is simple once configured. The variety of inputs and outputs makes it easy to integrate into existing stereo, TV, or receiver setups. Audio quality stands out immediately, with clear, detailed sound and noticeably better performance than basic Bluetooth adapters. The connection remains stable, and when paired with compatible devices supporting low latency codecs, audio sync performs very well for TV and video use. Range is another highlight. The dual antenna design delivers excellent coverage throughout the home, maintaining a reliable connection even across rooms where other Bluetooth devices often struggle. A major advantage is the ability to connect two headphones or speakers simultaneously in transmitter mode, making shared listening much easier. It also works well as a receiver for bringing wireless audio into older stereo equipment. Overall, this performs much closer to a wired experience than expected. Music, TV audio, and streaming remain stable, and the adapter provides a clean, high-quality wireless solution with excellent versatility. ### ⭐⭐⭐⭐⭐ A++ Extremely Satisfied!! *by A***R on November 13, 2020* First thing I will say is that I already own a earlier version of the model 1Mii B03 and can vouch for the excellent customer / technical support I received in the past. When there was a question depending on the time of day the email was sent sometimes I received an answer back within a few hours. So customer support gets an A+ right off the bat. As a former Product Design Engineer one of the first things I look for is attention to detail and quality. And although it may not have any effect whatsoever on the operation of a particular product. Sometimes the packaging will give one a little insight into what to expect if that attention is carried all the way through to the final product. So from the moment I received this unit I was very impressed at how well it was packaged. There was a quick start guide immediately visible upon opening of the carton with well written and clear instructions. The new Hi Fi version B03 Pro also has attention to details designed into it along with a quality look and feel as did its predecessor. The included full-size multi language manual is also well written, clear, & concise with lots of diagrams to assist in setting up the unit depending on how it is to be connected. The B03 Pro comes with everything required to install and connect it to a TV, or stereo receiver including the B03 Pro transmitter / receiver, power adapter, USB charging cable, optical cable, 3.5 mm audio cable, & a 3.5 mm to RCA cable. Syncing the Bluetooth worked flawlessly with my old and new iDevices in the receiver mode. Nor did I have any problem syncing to my Bluetooth headphones in the transmitter mode. I connected the B03 Pro to my Yamaha A1000 receiver, and to be perfectly honest was not expecting to be able to discern any appreciable sound quality difference from my older unit. Much to my pleasant surprise the new Pro version was significantly better in sound quality. The dynamic range from highs to low was nothing short of astounding! As was the sound when the B03 Pro was transmitting to my headphones as well. Overall I give this unit A++ for sound quality, ease of setup & syncing, price point value, looks and functionality. I can honestly highly recommend the B03 Pro to anyone who is a audiophile with a discerning ear for Hi Fi sound. You will not be disappointed. ### ⭐⭐⭐⭐ It works, it's easy to setup, great range - only one small complaint *by S***H on September 1, 2023* Just set this up the other day to pair with some Herdio outdoor speakers I installed on my back deck. I bought this to connect to the zone 2 pre out on my Denon DRA800H AVR in my living room, about 50 feet away from the speakers through an exterior facing wall. Connected via RCA plugs, powered it on, and it immediately paired with the speakers. I was listening to zone 2 audio within a minute. Like I said, the range is excellent as the transmitter is indoors, about 50 feet away from the speakers. I don't use the volume controls on the transmitter, as my phone (via the Denon HEOS app) can control the volume, which is great, as I've seen other reviews complaining that they have to use the transmitter to control volume. Not with my setup! The only complaint I have is that there is no display on the unit to help you determine what bluetooth device you want to connect to. I think I just got lucky that it 'chose' my outdoor speakers right off the bat. ## Frequently Bought Together - 1Mii B03Pro Bluetooth 5.3 Transmitter Receiver for Home Stereo TV, HiFi Wireless Audio Adapter with Audiophile DAC & AptX HD/Low Latency, Long Range, Optical RCA AUX 3.5mm Outputs/Inputs - 1Mii B03S Bluetooth 5.3 Transmitter Receiver for TV Home Stereo, Wireless Audio Adapters with Audiophile DAC, aptX LL/HD/AD, Dual Link, Upgrade USB Drive Input, Optical RCA AUX 3.5mm Inputs/Outputs - 1Mii Y8 Hybrid Active Noise Cancelling Headphones, Wireless Over Ear Bluetooth Headphones, LDAC Hi-Res Audio, 75H Playtime, Deep Bass, Comfort Fit & Foldable Ear Cups, for Home Office Travel --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pl/products/230544110-1mii-b03pro-bluetooth-5-3-transmitter-receiver-for-home-stereo](https://www.desertcart.pl/products/230544110-1mii-b03pro-bluetooth-5-3-transmitter-receiver-for-home-stereo) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-05-26*