RAM AUDIO ZETTA Series are a project based on an up-side-down mono-block approach offering an all-in-one power module that contains the entire amplifier assembly. Simplicity and effectiveness run hand by hand through the entire design to obtain an effectively skilled and workable product.

• Unmatched audio quality hi efficiency Class H design

• 2/4 Channels models from 1000W up to 4000W

• Ultra light weight 6kg, compact package 25cm deep

• Last generation QuantaPulse™ switch mode power supply

• Power Management System (PMS™) and Clip Limiter (ICL™)

• Up-side-down design to avoid fan dust acumulation

• Industry standard Neutrik® XLR and Speakon® connectors

• Comprehensive protection set (ICL, PMS, SSP, turn-on, Temp, DC….)

• Detented sealed potentiometers

• Dual or bridge mode operation

• Temperature controlled, back to front cooling fan

• Frequency Response (power bandwidth ±0.25dB): 20Hz-20kHz

• Phase Response (@1W 20Hz-20kHz): ±15deg

• Total Harmonic Distortion (20Hz-20kHz): <0.05%

• Intermodulation Distortion (SMPTE): <0.05%

• Damping Factor (20Hz-500Hz @8ohm): >500

• Crosstalk (20Hz-1kHz): >75dB

• Voltage Gain: 35 dB

• Sensitivity: Z210: 0.8V     Z215: 1.1V     Z220: 1.3V     Z236: 1.6V     Z420: 0.8V     Z430:  1.1V     Z440: 1.3V

• Signal to noise ratio: Z210: 101dBA     Z215: 103dBA     Z220: 104dBA     Z236: 105dBA     Z420: 101dBA     Z430: 103dBA     Z440: 104dBA

• Required AC Mains (230V AC Mains @4ohm1/8r.p.): Z210: 3.5A     Z215: 4A     Z220: 5A     Z236: 10A     Z420: 7A     Z430: 8A     Z440: 10A

• Dimensions (WxHxD): 483×88.9×254 mm – 19×3.5×10 inches

• Weight (Net): Z210/Z215: 5kg – 11lb            Z220/Z236/Z420/ Z430/Z440: 6kg – 13.2lb

• Protections: Soft-start, Turn-on Turn-off transients, Muting at turn-on, Over-heating, DC, RF, Short-circuit, Open or mismatched loads, Overloaded power supply,ICL™, PMS™, SSP™

http://ramaudio.com/products/power-amplifiers/zetta-series/