XY-C50L 50W+50W Bluetooth Stereo Audio Amplifier Module

XY-C50L 50W+50W Bluetooth Stereo Audio Amplifier Module is a versatile, high-efficiency digital amplifier board that allows you to easily build custom wireless stereo audio systems. This compact module delivers up to 50W per channel (2.0 channels) using an advanced Class-D topology, ensuring high fidelity sound reproduction with minimal heat generation. Furthermore, its integrated Bluetooth 5.0 chipset provides a robust and fast wireless connection, allowing users to stream music effortlessly from their smartphones, tablets, or other devices. Therefore, DIY enthusiasts and audio manufacturers frequently select the XY-C50L for upgrading passive speakers or constructing portable sound systems, as it offers a perfect blend of power, quality, and wireless convenience in a small form factor.

Key Features:

• High Power Output: Delivers a strong 50W + 50W into 4Ω loads, providing ample volume for most indoor and medium-sized speaker setups.
• Bluetooth 5.0 Connectivity: Offers stable, high-speed wireless audio transmission, supporting a reliable connection up to 15 meters.
• Class-D Architecture: Utilizes a highly efficient switching technology that maximizes power conversion while keeping the amplifier cool.
• Protection Circuitry: Includes multiple integrated protection mechanisms, such as short-circuit, over-current, over-temperature, and reverse power protection, safeguarding both the module and connected speakers.
• Stereo Output: Provides two independent channels (Left and Right) for true stereo sound experience.

Technical Specifications:

• Supply Voltage (V_CC): DC 5 V to 24 V (Higher voltage yields higher output power)
• Output Power (Max): 50 W x 2 (Stereo) at 24 V into 4 Ω
• Speaker Impedance: 4 Ω to 8 Ω recommended
• Amplifier Class: D (Digital)
• Bluetooth Version: 5.0 (Supporting A2DP, AVRCP, HFP, etc.)
• Signal-to-Noise Ratio (SNR): ≥ 92 dB (Excellent audio clarity)
• Static Current: ≈ 35 mA at 12 V

Mechanical Specifications:

• Component Type: Integrated Circuit Module with Heatsink
• Interface: Screw terminal blocks for speaker and power connections
• Control: On-board potentiometers for Volume/Power and Tone adjustments
• Mounting: Four mounting holes are provided for secure installation into an enclosure.

Dimensions:

• Module Length: ≈ 55 mm
• Module Width: ≈ 38 mm
• Module Height: ≈ 17 mm (Including potentiometers)
• Mounting Hole Diameter: ≈ 3.0 mm
• Weight: ≈ 25 g

Pinout and Wiring:

• VCC (+): Connect the positive terminal of the DC power supply (5 V to 24 V).
• GND (-): Connect the negative/ground terminal of the DC power supply.
• L+/L-: Connect the positive and negative terminals of the Left speaker.
• R+/R-: Connect the positive and negative terminals of the Right speaker.
• Wiring Tip: Crucially, use thick gauge wires for speaker outputs and power input, especially when drawing high current at 50W output.

Datasheet Reference:

• Download XY-C50L Amplifier Module Reference Specification

Commonly Used in:

• DIY Speaker Builds: Integrates quickly into 3D-printed or custom-built speaker enclosures.
• Retrofit Audio Upgrades: Provides wireless capability and high power to old passive speaker sets or non-Bluetooth soundbars.
• Portable Boomboxes: Its high efficiency makes it ideal for battery-powered, portable audio projects.
• Desktop Audio Systems: Creates compact and powerful near-field monitoring or computer speaker systems.

Applications:

• Wireless Home Stereo: Drives bookshelf speakers for apartment or office audio setups.
• Automotive Audio Modifications: Used by hobbyists to add or upgrade amplifiers in vehicles or motorcycles.
• Educational Electronics: Serves as a reliable component for teaching basic audio amplification and wireless technology.

Equivalent Models:

• ZK-502C / ZK-502L: Similar dual-channel Bluetooth amplifier modules offering comparable power output and features.
• TPA3116D2-based Modules: However, these modules often use the TPA3116D2 chip, which is a recognized and high-quality alternative for stereo amplification.
• Other 50W Class D Boards: Look for modules featuring the PAM8610 or similar digital amplifier chips with built-in Bluetooth integration.

Package Includes:

• 1 x XY-C50L 50W+50W Bluetooth Stereo Audio Amplifier Module
• 1 x Set of Knobs (Volume/Tone)