Crunch GP600 active subwoofer

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active under-seat subwoofer, 5 x 8\" , 100 W RMS, remote control
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Active Crunch GP600 Subwoofer

The Crunch GP600 is a very compact active subwoofer designed primarily for installation under a seat or in other space-limited locations in a vehicle. With dimensions of just 285 × 210 mm it is a suitable solution where conventional under-seat subwoofers cannot be used due to their size. The design combines a built-in Class A/B amplifier and an integrated 8" (200 mm) subwoofer, which together provide a basic bass extension to the system. The built-in amplifier offers 100 W RMS and is equipped with RCA inputs and high-level inputs for connection to aftermarket and factory head units. High-level inputs support automatic turn-on, which simplifies installation in modern vehicles without a remote wire. The controls include a low-pass filter, bass boost and a phase switch for basic bass tuning. The system also includes a remote bass level control that allows adjusting the subwoofer volume directly from the driver's seat.

Main features

5 x 8" active subwoofer.
Compact enclosure for under-seat placement.
Built-in Class A/B amplifier.
Power 100 W RMS / 200 W MAX.
Adjustable low-pass filter 50 – 150 Hz.
Bass boost 0 – 12 dB.
Phase switch 0 / 180°.
RCA inputs and high-level inputs.
Automatic turn-on function.
Remote bass level control.

About the brand

Crunch has been active on the car audio market for over three decades. The brand was founded in the 1980s in the United States and gradually established itself as a manufacturer of affordable audio solutions for everyday and less demanding installations. Later the brand became part of the American group Maxxsonics USA, which also includes other well-known car audio brands such as Hifonics, MB Quart and Autotek. Within this group Crunch has long been positioned as a cost-effective alternative focused on simple and functional solutions for enhancing and expanding factory audio systems. Crunch's range includes a wide portfolio of amplifiers, speakers, subwoofers and accessories offering a favorable price-to-quality ratio.

Catalog number	GP600
Brand	Crunch
Links	Official web presentation
RMS power of the amplifier	100 W
Energy class of the amplifierAmplifiers are divided into two basic classes: analog and digital . Analog amplifiers (A/B) have higher consumption requirements, but usually have a more natural sound. Digital amplifiers (D) have significantly lower consumption and higher efficiency, but the sound may not be as faithful as with classic analog amplifiers.	AB
The diameter of the subwoofer usedThe diameter of the subwoofer that is installed in the active box.	5 x 8\"
Low-pass filter (LPF)	50 – 150 Hz
High level inputThe high-level input on the active subwoofer enables connection directly to the speakers in the car without purchasing an external high/low converter. Use in the case of mounting an active subwoofer on the original car radio.	Yes
Automatic on and offThis function will facilitate your installation and solve the problem of finding a remote signal, which is sometimes a problem with original car radios. The active subwoofer with the Auto sense function can recognize that the equipment in the car is active and turn itself on. A useful and practical feature.	Yes
Bass boost functionBass boost or bass enhancement. With this function, the bass itself can be emphasized, at a high level of bass boost, the speakers and the subwoofer can distort a lot and the sound will be worse than better. We therefore recommend using the "bass boost" function wisely.	0 – 12 dB
Phase rotation optionPhase shift is a linear electronic oscillator that produces a sinusoidal output. It consists of an inverting part of the amplifier such as a transistor. The feedback network "shifts" the phase at the output of the amplifier by 180 degrees to the oscillation frequency and gives positive feedback. The Phase shift filter produces a phase shift that increases with increasing frequency. This is usually used when the subwoofer sub-assembly is out with the magnet, or when two amplifiers are connected externally. Phase Shift is also used with active speaker wiring, where the time shift of the speakers is set. The point is that the subwoofer does not play the bass late, and for this reason better amplifiers offer this phase reversal option.	0 / 180°
Remote control included in the packageSome models of active subwoofers also have wired remote controls in the package, which on the one hand connect to the active box, and on the other hand you have a potentiometer that you can place anywhere in the cabin. A common place to place the remote control is under the steering wheel. The advantage is the regulation of power, and therefore volume, depending on driving conditions and the mood of the crew in the car.	Yes
Loudspeaker type	Closed
Active subwoofer dimensions	210 x 76 x 285 mm
Mass	4.5 Kg