--- product_id: 377694903 title: "HiFi Bluetooth 5.0 Digital Power Amplifier Stereo 2/4 Channel Audio Amp 50W x 4" brand: "douk audio" price: "857 zł" currency: PLN in_stock: true reviews_count: 5 category: "Douk Audio" url: https://www.desertcart.pl/products/377694903-hifi-bluetooth-5-0-digital-power-amplifier-stereo-2-4 store_origin: PL region: Poland --- # Supports lossless MP3, FLAC, WAV, APE 50W x 4 powerful channels Bluetooth 5.0 wireless input HiFi Bluetooth 5.0 Digital Power Amplifier Stereo 2/4 Channel Audio Amp 50W x 4 **Brand:** douk audio **Price:** 857 zł **Availability:** ✅ In Stock ## Summary > 🎧 Elevate your sound game—power, clarity, and style in one sleek amp! ## Quick Answers - **What is this?** HiFi Bluetooth 5.0 Digital Power Amplifier Stereo 2/4 Channel Audio Amp 50W x 4 by douk audio - **How much does it cost?** 857 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/377694903-hifi-bluetooth-5-0-digital-power-amplifier-stereo-2-4) ## Best For - douk audio enthusiasts ## Why This Product - Trusted douk audio brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Sleek & Durable Design:** Crafted from CNC-machined anodized aluminum, this amp blends premium aesthetics with long-lasting performance. - • **Versatile Audio Inputs:** Switch effortlessly between wired RCA, Bluetooth, and U-disk digital playback supporting all your favorite lossless formats. - • **Quad-Channel Powerhouse:** Deliver immersive sound with 4 independent 50W channels, perfect for multi-room or multi-speaker setups. - • **Precision Volume Control:** Customize audio levels independently on each channel to tailor sound perfectly for every room or speaker. - • **Seamless Bluetooth 5.0 Connectivity:** Experience ultra-stable wireless streaming from any device without the clutter of external antennas. ## Overview The Douk Audio HiFi Bluetooth 5.0 Digital Power Amplifier delivers 50W per channel across 4 channels with independent volume control. It supports wired RCA, Bluetooth 5.0 wireless input, and U-disk playback of multiple lossless audio formats. Encased in a durable CNC-machined aluminum alloy shell, it offers stable, high-fidelity sound ideal for home or office audio systems. ## Description Product Description Review: Works great! Review: 店舗で使用 - 使用方法は用途とは違いますが、４スピーカーそれぞれ音量調整をしたかった。 アレクサでラジオを受信し、各部屋の広さに合わせて音量をコントロールしてます。 モノラルの音源になってしまいますが ## Features - One group of stereo RCA (CH3 and CH4) can be used as audio input or output by switching the selector, to acheive different demands - Supporting wired 2 groups of stereo RCA and wireless Bluetooth 5.0 input, compatible with most common audio device such as phones, computers, TVs, MP3, TV, CD players etc. With U-disk input, it can be used as a digital music player, supporting MP3, WAV, APE, FLAC and WMA lossless formats. - With 4 groups of speaker sockets output, they can output at the same time and each channel with independent volume control. Its max output power can reach 50W×4, and equipped with high-quality 24V/4.5A power supply, enough to drive most home speakers. - Reasonable circuit layout, concise wiring and high-quality components to ensure HiFi clear sound and long time stable work. Separate design of small and large signal circuit for better circuit protection. Unique Bluetooth design without any external antenna, very practical and beautiful. - Propersize with exquisite appearance, aluminum alloy case is CNC machined and with anodizing process, more fashionable and durable, very suitable for home, office and desktop audio system use. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0875WY9TX | | Best Sellers Rank | #1,497,523 in Electronics ( See Top 100 in Electronics ) #2,073 in Hi-Fi Amplifiers | | Brand | Douk Audio | | Brand Name | Douk Audio | | Customer Reviews | 4.3 out of 5 stars 333 Reviews | | Manufacturer | Douk Audio | | Material Type | Aluminum | | Maximum Supply Voltage | 24 Volts | | Minimum Supply Voltage | 12 Volts | | Model Number | SUC-M4 | | Mounting Type | Surface Mount | | Number of Channels | 4 | | Output Power | 50 Watts | | Specification Met | CE, FCC | | Supply Current | 4.5 Amps | | Voltage | 24 Volts (DC) | ## Product Details - **Manufacturer:** Douk Audio - **Maximum Supply Voltage:** 24 Volts - **Minimum Supply Voltage:** 12 Volts - **Mounting Type:** Surface Mount - **Voltage:** 24 Volts (DC) ## Images ![HiFi Bluetooth 5.0 Digital Power Amplifier Stereo 2/4 Channel Audio Amp 50W x 4 - Image 1](https://m.media-amazon.com/images/I/618e5MV9XwL.jpg) ![HiFi Bluetooth 5.0 Digital Power Amplifier Stereo 2/4 Channel Audio Amp 50W x 4 - Image 2](https://m.media-amazon.com/images/I/71JiOISGTZL.jpg) ![HiFi Bluetooth 5.0 Digital Power Amplifier Stereo 2/4 Channel Audio Amp 50W x 4 - Image 3](https://m.media-amazon.com/images/I/71gaBi6tw6L.jpg) ![HiFi Bluetooth 5.0 Digital Power Amplifier Stereo 2/4 Channel Audio Amp 50W x 4 - Image 4](https://m.media-amazon.com/images/I/710cJAw2iLL.jpg) ![HiFi Bluetooth 5.0 Digital Power Amplifier Stereo 2/4 Channel Audio Amp 50W x 4 - Image 5](https://m.media-amazon.com/images/I/71W1+jDQFML.jpg) ## Questions & Answers **Q: When using Bluetooth as the input, will the audio be output to all 4 channels simultaneously?** A: Yes. in its simplest setup, there is basically Stereo, Left and Right audio channels, times two If you want it to work that way. OR, if you want/need to something more complex, you can change the mode of operation by pressing a button in the back, and have 2 separate Stereo feeds. One Stereo feed for channel 1 and 2, and a different Stereo feed for channel 3 and 4 by using the RCA jacks on the back. Its pretty well explained in the manual, and in the details of the Item Description if you cared to read it. **Q: At low volume levels my unit cuts in and out, with an accompanying soft hum/beep. Before I ask for a replacement, ahs anyone else experienced this?** A: Hello. Could you please send us a message on Amazon with more details? This issue may happen if the speaker power is too high. **Q: Does this have sufficient power to power 4 Aura ast-2b-04 shakers?** A: I have 35 watt ceiling speakers and the volume is very sufficient. You could always try it or send it back if it didn't work. Great amp for the price and very small footprint. **Q: Is there a way to hook up a master volume switch to this unit, any ideas???** A: Hello. You can add a volume control before this device. For example, https://www.amazon.com/dp/B07GRLV7XG?ref=myi_title_dp ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works great! *by N***C on 25 January 2026* ### ⭐⭐⭐⭐⭐ 店舗で使用 *by ヒ***ロ on 25 September 2025* 使用方法は用途とは違いますが、４スピーカーそれぞれ音量調整をしたかった。 アレクサでラジオを受信し、各部屋の広さに合わせて音量をコントロールしてます。 モノラルの音源になってしまいますが ### ⭐⭐⭐⭐⭐ Perfect amplifier. *by G***R on 31 July 2025* ## Frequently Bought Together - 4 Channel Bluetooth Amplifier, 50W x 4 Audio Power Amp, Hi-Fi Home Stereo Speaker Receiver [Douk Audio M4] - Amazon Basics 16-Gauge Speaker Wire Cable, 100 feet, Bronze - Dayton Audio BST-1 High Power Pro Tactile Bass Shaker 50 Watts RMS, 4 Ohms Impedance - Turn Any Surface into a Speaker System - Generates Subwoofer Lows --- ## 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/377694903-hifi-bluetooth-5-0-digital-power-amplifier-stereo-2-4](https://www.desertcart.pl/products/377694903-hifi-bluetooth-5-0-digital-power-amplifier-stereo-2-4) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-04-28*