Description

All-new Advanced Digital Design

The all-new R-A90S is extreme and class-leading in every way. Beneath its sophisticated and bold design, brings a powerhouse of Alpine ingenuity and technical innovation to create an industry first ‘full-system’ 6-Channel Hi-Res compliant power amplifier.

Delivering serious amounts of power, the R-A90S has the capability to power an entire system with a subwoofer, or can be configured to power an array of 3-way high-end speaker systems with precision using the LP/HP/HP-H/BP crossovers. What’s more, power output is staggered with the capability to deliver different levels of power to each channel regardless of the system configuration.

With performance at the highest standard, the R-A90S has a dynamic range of up to 45kHz and a >500 dampening factor to deliver high power output with precision, as well as a superlative high-definition sound experience.

Extraordinary Damping Factor

The R-A90S R-Series amplifier produces an extraordinary damping factor of >500 for channels 1/2/3/4 and >500 for channels 5/6. This achieves precision control of cone movement at high power outputs with virtually zero distortion.

Hi-Res Audio Compliant

The R-A90S is Hi-Res Audio certified and engineered to operate in an extended frequency range of 10Hz~45kHz. Furthermore, signal-to-noise specifications are at benchmark levels with 103dB for channels 1/2/3/4 and 106dB for 5/6.

Precision Crossovers

The R-A90S is built for system flexibility and precision setup with its extensive crossover capabilities. You can set the HP/LP filters for a full system with a subwoofer, or use the HP-H and bandpass filters for an active 3-Way speaker system.

RCA and Speaker Level Inputs

The R-A90S is equipped with low-level RCA inputs, which can also accept high-level speaker signal inputs (via the optional KCE-SP2R). This allows for installation of the amplifier into virtually any aftermarket or OEM factory audio system.

Heavy Duty Gauge Terminals

The speaker and power cable terminals are conveniently located on the 6-channel amplifier providing easy and clean installation. The compact and robust design delivers lossless connectivity.

Control Your Subwoofer

The optional RUX-KNOB.2 remote bass knob controller plugs right into the R-A90S amplifier, providing quick direct subwoofer control to make bass adjustments on the fly enhancing your listening experience. Does your system run two bass knob ready amplifiers? With the use of an additional accessory*, control the bass levels of both of your amplifiers with only one controller.