The Studiomaster AX215 is a 2U professional power amplifier delivering 270W per channel into 8 ohms. Part of the legacy AX series, it features a 2-way active crossover with selectable 100/150Hz frequencies, 35Hz hi-pass filters, and multiple operation modes. The amplifier utilizes an AB output circuit type and provides stable performance into mismatched or reactive loads. Designed with twin variable-speed fans for efficient cooling, it includes comprehensive protection against short circuit, open circuit, thermal issues, and RF interference. The AX215 features combination XLR and jack inputs with 4-pole industry standard speaker outputs, making it suitable for both stereo and bridged mono applications in professional audio setups.