Introducing the Audio Amplifier with Wireless Bluetooth by Pyle, Model PCA4BT. This black-colored desktop amplifier has two channels with four raw cable speaker jacks for audio outputs and an analog feature. It includes TRS/Audio Jack and Stereo L/R RCA for audio inputs with one input. The number of inputs and outputs is one and four, respectively. It is an ideal choice for home audio systems, amplifiers, and preamps. This product serves as a reliable, high-quality amplifier that delivers exceptional audio performance for the price. Get this affordable and cheap tech product today and enjoy the ultimate audio experience.