Name: Crunch
Address: Am Breilingsweg 3 76709 Kronau
Email: info@audiodesign.de
Website: https://www.crunchaudio.de/
European Manufacturer: Yes
Crunch GPX750.1D is backordered and will ship as soon as it is back in stock.
✓ Free shipping from 49€ within Germany and from 99€ to the EU.
✓ Delivery times vary depending on the product and can be found on the product page, usually 1 - 3 working days for stock items, international shipping times vary, usually 6 - 10 working days.
✓ In most cases, shipping is carried out by DHL, UPS and GLS.
✓ Depending on the product and location, items can also be shipped with other providers.
✓ Tracking will be sent by email after the shipment has been processed.
Normal shipping route
✓ 1 - 40Kg = DHL, UPS and GLS
✓ 40.1 - maximum kg = forwarding agency
✓ Bulky goods = freight forwarder
✓ Customs shipments = DHL, GLS or freight forwarder
✓ Collection takes place regularly from Monday to Friday, orders received by 3 p.m. are usually disposed of on the same day for goods in stock and transported directly to the parcel center.
Receive a 5% pre-payment discount. The discount is automatically deducted in the shopping cart/checkout and is valid for all products. Vouchers or discount codes may be excluded or already combined.
Use our wiring wizard for simple wiring of speakers and subwoofers! The correct connection is important for your amplifier! Low-impedance operation can damage the amplifier! The data sheet shows you which connection the respective amplifier is designed for!
Our port calculator shows you which tuning your enclosure has! The net volume is always particularly important here; calculate the pure chamber of the subwoofer beforehand to arrive at the correct result. The net volume is calculated minus all displacements and is important when designing the enclosure.
The Crunch GPX750.1D is a compact Class-D monoblock amplifier designed specifically to drive subwoofers in car audio systems. With an RMS power output of up to 375 watts into 1 ohm, the amplifier delivers ample power for high-performance bass systems and, thanks to its compact dimensions, offers flexibility during installation.
An adjustable low-pass filter and a subsonic filter are available for precise tuning to the subwoofer being used. In addition, the bass range can be adjusted using the built-in bass boost. The continuously adjustable phase control allows for better integration of the subwoofer with the other speakers in the vehicle.
In addition to standard RCA inputs, the GPX750.1D features high-level inputs. This allows the power amplifier to be used with factory radios that lack RCA preamp outputs. When using the high-level input, an automatic power-on function is also available. A bass-level remote control allows you to conveniently adjust the subwoofer level from the driver’s seat.
Technical Specifications:
Digital Class-D Mono Amplifier
1-Channel / Monoblock
RMS power at 4 ohms: 1 x 200 watts
RMS power at 2 ohms: 1 x 300 watts
RMS power at 1 ohm: 1 x 375 watts
Maximum power at 4 ohms: 1 x 400 watts
Maximum power at 2 ohms: 1 x 600 watts
Maximum power at 1 ohm: 1 x 750 watts
Permissible speaker impedance: 1–8 ohms
Frequency response: 4–150 Hz (-3 dB)
Total Harmonic Distortion (THD): < 0.02% at 80 Hz
Signal-to-noise ratio: > 114 dB
High-level input sensitivity: 1–10 V
RCA input sensitivity: 0.1–3 V
Input impedance: 20 kOhm
Adjustable low-pass filter: 40–150 Hz
Low-pass filter slope: 12 dB/octave
Adjustable subsonic filter: 10–35 Hz
Subsonic filter slope: 12 dB/octave
Bass Boost: 0–12 dB at 40 Hz
Phase controller: 0–180°
RCA Inputs
High-level input via the included cable connector
Automatic power-on function via high-level input
Connector for bass level remote control
Bass Level Remote Control Included
Operating voltage: 12 V (9–15 V)
Negative vehicle mass
Fuse rating: 2 x 30 A
Dimensions (W x H x L): 254 x 46 x 205 mm
Payment methods
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