Amplifier -TDA8954TH Digital Audio Board Generic Brand Highlights TDA8954TH Digital Audio Board Description: TDA8954TH Dual Channel High Power Class D Super Power TDA8954TH Dual Chip Digital Audio Amplifier Board. Class D audio digital amplifier board. Amplified card 420 wx 2 Blue. FR-4 (fiberglass base) is of good quality and durable. specification: Product Name: TDA8954TH Dual Amplifier Board Power Amplifier Chip: TDA8954TH dual chip) Product Type: XR-N252 Input Voltage: Recommended AC 24V dual (up to 30V) Power Amplifier: 2x420W Number of channels: left and right channels Output impedance: 2-8ohm Size: 107 x 93 x 30mm / 4.21 x 3.66 x 1.18inch Product net weight: about 240g Power supply: Recommend the use of a 300W power 24V two-ring bovine transformer Package includes: TDA8954TH Class D high-power dual-channel digital audio amplifier board, 1 piece