Parasound Halo A51 -THX Certified 5 Channel Power Amplifier (Black)

THX Ultra2 Plus certified 5-channel power amplifier engineered for high-fidelity home theatre performance
Delivers clean, powerful, and distortion-free amplification across all five channels
High-current Class AB design with robust power supply and large toroidal transformer for stable performance
Balanced (XLR) and unbalanced (RCA) inputs for flexible connection to AV processors and preamplifiers
Independent gain controls on each channel for precise level matching and system calibration
Bridging capability for increased power on select channels when needed
Extensive protection circuitry, including thermal, over-current, and DC safeguards, to protect speakers and amplifier
Low noise and low distortion design ensures transparent, detailed sound reproduction
Loop outputs enable integration with additional amplification or multi-room systems
Automatic turn-on options via 12V trigger or audio signal sensing
Heavy-duty chassis with premium black finish designed for rack mounting or custom installs
Ideal for powering front, centre, and surround channels in high-performance home theatre setups

Description

Continuous power output	250 watts RMS x 5, 20 Hz – 20 kHz, 8 Ω, all channels driven 400 watts RMS x 5, 20 Hz – 20 kHz, 4 Ω, all channels driven
Slew rate	> 130 V/µsecond
S/N ratio	112 dB, input shorted, IHF A-weighted
Dynamic headroom	> 1.5 dB
Damping factor	> 1100 at 20 Hz
Current capacity	60 amperes peak per channel
Interchannel crosstalk	> 78 dB at 1 kHz; > 63 dB at 20 kHz
Voltage	110V – 120V
Input sensitivity	1 V for 28.28 V, THX Reference Lev
Dimensions	17-1/2″ w x 7-5/8″ h x 20″ d, 7″ h without feet
IM distortion: balanced 16 V rms	< 0.04 %
Input impedance	47 k Ω unbalanced; 94 k Ω balanced
Net weight	80 lb.

Description