Amazon 1Mii  
1Mii HiFi Bluetooth 5.3 Music Receiver for Home Stereo with LDAC, Bluetooth Audio Adapter with Audiophile DAC aptX HD, RCA Optical Output for AV Receiver or Stereo Amplifier - Lavaudio DS200Pro
【Rebirth Your Home Stereo】DS200 Pro is a Bluetooth HiFi receiver supports LDAC, which can streams high quality music from cellphone, pc or any other music player with Bluetooth to any of your home stereo systems. Plug and play, super easy.
【 The Latest Bluetooth Tech】DS200 Pro Bluetooth Receiver for Home Stereo is featuring Bluetooth 5.3 chip which is a premium solution delivering high quality wireless audio performance and supporting for aptX, aptX LL, aptX HD, AAC decoding.
【Audiophile Grade DAC】Featuring with ES9018K2M SABRE32 Reference DAC which is a high-performance 32-bit, 384kHz PCM data, 2-channel audio D/A converter targeted for audiophile-grade portable applications, delivers a DNR of up to 127dB and THD+N of –120dB, a performance level that will satisfy the most demanding audio enthusiasts. 2.0Vrms maximum RCA output level.
【Extended Long Range】Utilizing Class 1 Bluetooth technology and designed with external gain antenna. DS200Pro Bluetooth receiver can achieve a range of up to 100ft. Kindly be noted that Operation range can be affected by many factors such as Wi-Fi routers, physical obstructions like walls, metal obstacles etc. and also depended on receiving device.
【Flexible Connectivity】Supports both analog (RCA / 3.5mm AUX audio) and digital (optical) outputs, provides ultimate compatibility with your existing stereo equipment.
1Mii HiFi Bluetooth 5.3 Music Receiver for Home Stereo with LDAC, Bluetooth Audi
Amazon Fosi Audio  
Fosi Audio BT20A Bluetooth 5.0 Stereo Audio 2 Channel Amplifier Receiver Mini Hi-Fi Class D Integrated Amp 2.0 CH for Home Speakers 100W x 2 with Bass and Treble Control TPA3116 (with Power Supply)
2 Channel Amplifier: The BT20A Mini Bluetooth amplifier home audio offers both Bluetooth and RCA inputs, along with passive speaker outputs. This versatile amplifier enables you to build a high-quality 2.0-channel audio system, allowing seamless connections to your phone, computer, tablet, and more.
Bass and Treble Control: The Fosi Audio BT20A stereo amplifier is tailor-made for audiophiles seeking exceptional HiFi sound quality. You have control over the sound of your bookshelf speakers through music or video software, fine-tuning the bass and treble to your preferences.
Bluetooth 5.0 Amplifier: Featuring two Texas Instruments TPA3116D2 chips, the BT20A delivers powerful and clear stereo sound. The TPA3116D2 is a highly efficient digital amplifier with an advanced oscillator/PLL circuit, ensuring minimal interference and offering a robust connection range of up to 50 feet.
The Ideal Partner Amplifier For Speakers: With an impressive 100W RMS per channel at 4 ohms, 20 Hz - 20 kHz, and only 0.04% THD, the BT20A Bluetooth amp is a powerhouse. It comes with a 24V power supply and can drive speakers with a capacity of 280 watts at 8 ohms or 320 watts at 4 ohms. (for passive speakers only, not the powered speakers)
What You'll Get: BT20A stereo audio amplifier receiver x1, 24V/4.5A power supply x1, User Manual x1, a 24-month worry-free warranty and responsive customer service.
Fosi Audio BT20A Bluetooth 5.0 Stereo Audio 2 Channel Amplifier Receiver Mini Hi
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