--- product_id: 781087184 title: "ZK-TB21 2.1 Channel Bluetooth Amplifier Board, 50W+50W+100W Output, IPEX-1 Antenna Base, 12-24V DC Input, Customizable Bluetooth Name (DAJUNGUO ZK-TB21 Black)" brand: "damgoo" price: "€ 43.50" currency: EUR in_stock: true category: "Damgoo" url: https://www.desertcart.gr/products/781087184-zk-tb21-2-1-channel-bluetooth-amplifier-board-50w-50w store_origin: GR region: Greece --- # 12-24V wide voltage input Bluetooth 5.1 with dual antenna 200W total output power ZK-TB21 2.1 Channel Bluetooth Amplifier Board, 50W+50W+100W Output, IPEX-1 Antenna Base, 12-24V DC Input, Customizable Bluetooth Name (DAJUNGUO ZK-TB21 Black) **Brand:** damgoo **Price:** € 43.50 **Availability:** ✅ In Stock ## Summary > 🎶 Elevate your sound game with power, precision, and wireless freedom! ## Quick Answers - **What is this?** ZK-TB21 2.1 Channel Bluetooth Amplifier Board, 50W+50W+100W Output, IPEX-1 Antenna Base, 12-24V DC Input, Customizable Bluetooth Name (DAJUNGUO ZK-TB21 Black) by damgoo - **How much does it cost?** € 43.50 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/781087184-zk-tb21-2-1-channel-bluetooth-amplifier-board-50w-50w) ## Best For - damgoo enthusiasts ## Why This Product - Trusted damgoo brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Versatile Compatibility:** Supports Bluetooth and 3.5mm AUX inputs, effortlessly connecting to smartphones, TVs, and laptops. - • **Robust Safety Protections:** Built-in overheat, reverse polarity, and voltage safeguards keep your system safe and reliable. - • **Power-Packed Audio Performance:** Delivers crisp 50W+50W stereo plus 100W subwoofer output for immersive sound. - • **Customizable Bluetooth Identity:** Personalize your device name for a unique, professional touch that stands out in any setup. - • **Seamless Bluetooth 5.1 Connectivity:** Enhanced dual antenna design ensures stable, long-range wireless streaming without dropouts. ## Overview The ZK-TB21 is a high-performance 2.1 channel Bluetooth amplifier board delivering a total of 200W output (50W+50W stereo channels plus 100W subwoofer). Featuring Bluetooth 5.1 with both onboard and external IPEX-1 antenna for superior wireless range and stability, it supports 12-24V DC input and 3.5mm AUX connectivity. Designed with advanced TPA3116D2 HiFi chip technology, it ensures low distortion (THD ≤0.1%) and includes comprehensive safety protections such as overheat and voltage safeguards. Ideal for professionals seeking customizable, reliable, and powerful audio amplification solutions. ## Description Buy ZK-TB21 2.1 Channel Bluetooth Amplifier Board, 50W+50W+100W Output, IPEX-1 Antenna Base, 12-24V DC Input, Customizable Bluetooth Name (DAJUNGUO ZK-TB21 Black): Amplifiers - desertcart.com ✓ FREE DELIVERY possible on eligible purchases ## Features - 【Bluetooth 5.1+3.5MM AUX】The ZK-TB21 supports Bluetooth and AUX inputs, compatible with most devices such as smartphones, TVs, and laptops, allowing you to connect easily. - 【TPA3116D2 HIFI Chip Solution】 Stereo Dual-channel Output to Ensure Continuous Serial High-power Operation, THD ≤0.1%. Wide Voltage Input DC: 12-24V; - 【Enhanced Bluetooth Connectivity】Comes with both onboard and external IPX (MHF1) Bluetooth antenna base, improving signal strength and range without requiring soldering. - 【Safety Protection】This Amp Board Has Overheat Protection, Reverse protection, Circuit Protection, Over-voltage and Under-voltage Protection； - 【After-sales Service】Paying Attention To Customer Experience And Satisfying Customers Is Our Service Tenet. If You Have Any Questions About The Product, or The Product Has Quality Problems, Please Contact Us At Any Time, We Will Give You A 100% Satisfactory Answer. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0FN8CXZSY | | Best Sellers Rank | #36,776 in Electronics ( See Top 100 in Electronics ) #193 in Audio Component Amplifiers | | Brand Name | DAMGOO | | Customer Reviews | 3.8 3.8 out of 5 stars (9) | | Item Dimensions | 47.24 x 39.37 x 8.66 inches | | Manufacturer | DAMGOO | | Maximum Output Power | 200 watts | | Maximum Supply Voltage | 24 volts_of_direct_current | | Minimum Supply Voltage | 12 volts_of_direct_current | | Model | DAJUNGUO ZK-TB21 | | Mounting Type | Freestanding | | Number of Channels | 2 | | Number of Items | 1 | | Number of Packs | 1 | | Output Power | 200 watts | | Part Number | ZK-TB21 | | Specification Met | Amazon's Standards | | Supply Current | 5 A | | UPC | 194852391963 | | Unit Count | 1 Count | ## Product Details - **Item dimensions L x W x H:** 47.24 x 39.37 x 8.66 inches - **Manufacturer:** DAMGOO - **Maximum Supply Voltage:** 24 volts_of_direct_current - **Minimum Supply Voltage:** 12 volts_of_direct_current - **Mounting Type:** Freestanding ## Images ![ZK-TB21 2.1 Channel Bluetooth Amplifier Board, 50W+50W+100W Output, IPEX-1 Antenna Base, 12-24V DC Input, Customizable Bluetooth Name (DAJUNGUO ZK-TB21 Black) - Image 1](https://m.media-amazon.com/images/I/71asv+I-v4L.jpg) ## Available Options This product comes in different **Model** options. --- ## 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.gr/products/781087184-zk-tb21-2-1-channel-bluetooth-amplifier-board-50w-50w](https://www.desertcart.gr/products/781087184-zk-tb21-2-1-channel-bluetooth-amplifier-board-50w-50w) --- *Product available on Desertcart Greece* *Store origin: GR* *Last updated: 2026-09-03*