Powered by Class D digital power amplifier, C-Mark M25A and M115A feature high efficiency, best sound, safe protection, incredible compatibility of electromagnetism and open choices of 110VAC or 220VAC power supply. Suspension of the line array allows up to 0-16 degree of curvature adjustment, covering area thus wider. Tight, light and simple installation.Features: 1. Plug & play, user-friendly, clear indication, easy manipulating for nonprofessionals. 2. With features tight and light, M25A driven by 2pcs 5" and 1pcs 34Ti is suitable for sound project assembly. 3. M115A is very powerful with rich and flexible sound driven by 15" woofer. 4. Built-in bi-amplified digital power amplifier features best sound, high efficiency and high reliability. 5. Complete protection from short circuit, over surge current, over heat, over voltage, power limiting, over temperature frees users from worry of malfunction. 6. Suitable for many applications like commercial, company, entertainment, school and army etc.Specification: Model M25A Components: 2 x 5" + 1 x 1.4" with Titanium diaphragm High frequency power: 100W RMS Low frequency power: 200W RMS Total power: 300W RMS Frequency response: 100Hz-20KHz SPL: 95dB Line input sensitivity: 0dB Input impedance: 22 Cabinet: Plywood Net weight: 15.8kg Gross weight: 36.5kg/pair Net dimension(W*D*H): (180+120)X210X580 mmModel M115A Component: 15" with 4" voice coil Low frequency power: 900W RMS Total power: 900W RMS Frequency response: 40Hz-500Hz SPL: 100dB Line input sensitivity: 0dB Input impedance: 22 Cabinet: Plywood Net weight: 27kg Gross weight: 31.4kg Net dimension(W*D*H): 581 X 630 X 538 mm