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JL AUDIO 300/4 V2 4 CHANNEL AMPLIFIER 300 WATT SLASH AMP Review

03:28, Posted by Michael J Copas, No Comment

JL AUDIO 300/4 V2 4 CHANNEL AMPLIFIER 300 WATT SLASH AMP
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Paying the little bit extra for this over similar amps can actually save you some money, since the balanced inputs let you use it with stock headunits that send out a balanced signal - usually Bose or other factory premium headunits (not that Bose is premium in anything but price, but I digress). It also accepts both low-level and speaker-level inputs, so purchasing a separate line-output converter is not necessary if you're running it off of a headunit that doesn't have low-level outputs. The signal sensing technology lets you get away without running a remote power signal if using the speaker-level inputs, which is particularly helpful if you are still running a stock headunit which doesn't have such a wire already.

So basically, this amp can be connected to any aftermarket or factory headunit without adding anything but power and audio signal wires.

As with any amp, make sure you measure the dimensions for where you intend to mount this.

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Product Description:
Class A/B Four-Channel Full-Range Amplifier * Absolute Symmetry™ Class A/B Circuit * Differential-Balanced Input Topology: 2 pair of inputs * On-board Crossover: Fully-variable (50 Hz - 5 kHz), selectable-slope / mode (12 or 24 dB / octave, LP or HP) for each pair of channels * Speaker output connections: Accept up to 8 AWG wire * +12V and Ground connections: Accept up to 4 AWG wire * Rated Power (4 Channel Mode): 75 W RMS x 4 @ 1.5 ohm-4 ohm (11V-14.5V) * Rated Power (Bridged to 2 Channel): 150 W RMS x 2 @ 3 ohm-8 ohm (11V-14.5V) * S/N Ratio: >108.5 dB below rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth) * Frequency Response: 5 Hz - 30 kHz (+0, -1dB) * THD at Rated Power: <0.03% @ 4 ohm per ch. *Damping Factor: >200 @ 4 ohm per ch. / 50 Hz; >100 @ 2 ohm per ch. / 50 Hz * Slew Rate: ±25 V / µS @ 4 ohm per ch. * Left to Right Channel Separation: >75 dB @ 1 kHz * Input Range: Switchable from 200mV-2V RMS to 800mV-8V RMS * Dimensions (L x W x H): 13.40 x 9.25 x 2.36 in.; 340 x 235 x 60 mm

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