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Alpine's Next Generation S-Series S2-A36F 4-channel amplifier delivers 60 watts RMS of pristine high-fidelity signal to each of your car's front and rear speakers, adding sweet, clear sound to your ride. The amp's extended high-frequency response brings your music to life, with its precise details and emotional power clearly revealed. For a 3-channel 2-way system, you could also use the amp to drive a pair of front speakers with 60 watts RMS each, while powering a subwoofer with 180 Watts RMS from the bridged rear channels. A variable mid-bass boost on those rear channels allows you to dial in some extra kick and impact to your system's low-frequency sound. You can even add an optional wired remote to control the level of the rear channels from your front seat.
High- and low-pass filters put you in command of the frequency spectrum that reaches your speakers and subs. The amp includes preamp- and speaker-level inputs, so you can install it in almost any vehicle, even one with a factory radio. When using the speaker-level inputs, the amp can sense the incoming signal and turn itself on, eliminating the need to run a separate turn-on wire to the receiver or fuse box.
| Performance | ||
|---|---|---|
| RMS Power Output (Watts x Channels) | 60 x 4 |
|
| Peak Power Output (Watts x Channels) | --- | |
| Power at 2 Ohms (Watts x Channels) | 90 x 4 | |
| Power at 1 Ohm (Watts x Channels) | --- | |
| Bridged Power (Watts x Channels) | 180 x 2 | |
| Minimum Impedance Bridged | 4 | |
| Minimum Impedance Unbridged | 2 | |
| Best Frequency Response | 10Hz-40k Hz | |
| THD at Rated RMS Power | 1% | |
| Signal to Noise Ratio | 83 dB | |
| Input Voltage | 14.4v | |
| Features | ||
| Amplifier Class | D | |
| Built-in DSP | No | |
| Remote Control | Optional (channels 3/4) | |
| Low-Pass Crossover Frequency | 50-400 Hz | |
| Low-Pass Slope (dB/octave) | 12 dB/octave | |
| High-Pass Crossover Frequency | 50-400 Hz | |
| High-Pass Slope (dB/octave) | 12 dB/octave | |
| Bass Boost | 0-12 dB | |
| Bass Boost Frequency | 100 Hz | |
| Fan Cooled | No | |
| Fuse Rating | 40 | |
| Speaker Level Inputs | Yes | |
| Preamp Outputs | No | |
| Width (inches) | 8-11/16 | |
| Height (inches) | 2-1/4 | |
| Depth (inches) | 8-5/16 | |
| Parts Warranty | 1 Year | |
| Labor Warranty | 1 Year | |
CTA-2006 Compliant: CTA-2006 is a system of testing and measurement for mobile audio amplifiers. This voluntary standard advocates a uniform method for measuring an amplifier's RMS power output and signal-to-noise ratio. The criteria for measuring amplifier power uses a DC input voltage of 14.4 volts and the RMS power output is measured over a frequency range of 20 Hz to 20 kHz (for full range amplifiers), with 1% or less Total Harmonic Distortion plus noise (THD+N). Signal-to-Noise ratio is measured in weighted absolute decibels (dBA) at a reference of 1 watt into 4 ohms. CTA-2006 standards allow consumers to compare car amplifiers and receivers under the same conditions (apples to apples).
CTA-2006 Specifications:
Other Specifications:
Gain Control: There are independent rotary gain controls for Channels 1/2 and Channel 3/4. The amp will accept preamp level signals from 0.2 volts to 4.0 volts or speaker level signals from 0.5 volts to 10 volts.
Turn-On Type/Input Level: A 3-way switch lets you select both the amp activation method and the input signal type. Choices include:
Crossovers: Channels 1/2 and 3/4 have independent crossovers. Each crossover has a 3-position switch to direct how it operates and both crossovers have a slope of 12 dB/octave.
Mid Bass EQ: A rotary dial lets you add 0 to +12dB of boost at 100Hz.
Optional Remote Control: The amplifier has an RJ-25 jack for adding the optional RUX-KNOB.2 wired remote level control for adjusting the channel 3/4 output remotely. The remote has a 20dB adjustment range (-20 dB to 0 dB relative to the gain setting).
Power/Ground: Two set-screw terminals connect the power and ground cables. The terminals accept up to 8-gauge wire (an 8-gauge wiring kit is recommended). The set screws are tightened/loosened with the included 2mm Allen wrench.
Remote Turn-on: The remote turn-on set screw terminal will accept up to 8-gauge wire. The set screw is tightened/loosened with the included 2mm Allen wrench.
Speaker Outputs: The four pair of speaker outputs' set-screw terminals will accept up to 10-gauge wire. The set screws are tightened/loosened with the included 2mm Allen wrench.
Signal Input: Two pair of RCA jacks, labeled Channel 1/2 and Channel 3/4, connect to preamp level or speaker level input signals. If connecting the source unit's speaker wire to the input jacks, use a Speaker-to-RCA adapter or splice speaker wire to an RCA plug. When using a speaker level input signal, it may not be necessary to connect a remote turn-on lead because of the amplifier's remote sensing function.
Fuses: The 40-amp ATO fuse protects the amplifier. Another fuse (40-amp minimum) should be placed on the +12V power wire within 18" of the battery.
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