2 Pcs\. Tpa3118 Single Channel Digital Audio Power Amplifier Board Module 1X60W About us: This is an audio power amplifier board that enhances low-power, inaudible electronic audio signals, such as those from radio receivers or electric guitar pickups, enough to drive speakers or headphones. The power amplifier allows the listener to hear the signal. It contains a TPA3118 power amplifier chip, the design optimizes the circuit layout, the sound quality is very good, and the power is large. With this module, the sound quality is very good. Mono digital audio power amplifier chip. High output and low power consumption. Applicable speaker impedance: 4-8 ohms (8 ohms is the best). Package including: 2pcs x Power amplifier board module Module performance and features: -PBTL single channel 60W digital power amplifier board -Power amplifier chip: TPA3118 -Amplifier power: 1*60W (one channel, two stereo sound is required) -Power supply voltage: 8~24VDC -Overall over temperature protection -Module size: 46mm * 35mm (length*width) -Weight: 17g SUPER MATERIAL: It is made of electronic accessories, nickel plating on surface(anti-oxidatioan), inner conductor: pure copper. It is long lasting and durable for you to use. PACKAGE INCLUDING 2 pack of digital power amplifier board, which consist of power amplifier chip and high frequency capacitor. A large area of copper and dense vias hole enhance heat dissipation. it has current limiting, short circuit and over temperature protection. Even if the output is short circuit, it will not burn out the module and it is safer. CAPACITY FACTOR: Input power is about 60W. Working Voltage is about DC 8-24V HIGH POWER HIGH EFFCIENCY: High reliability, strong vibration resistance, good electromechanical performance. Sound quality is very good by using this module. Mono digital audio power amplifier chip.High output and low power consumption. A WIDE RANGE OF APPLICATIONS: Applicable speaker impedance is 4-8 ohms (8 ohms is the best. This module can be applied to audio system, household power system, DIY speaker etc.