Both GPX models convince with an almost unbeatable price-performance ratio and have what it takes to become a bestseller. The power amplifiers of the GPX series convince with a solid quality and thoughtful design and stand for lasting sound fun in the car. With price-optimized performance and easy-to-use features, the GPX amplifiers are the perfect introduction for car audio novices.
| Car HiFi Amplifier Features | Broadband filter, High-pass filters, Low pass filter adjustable | 
| RMS output power 4 Ohm | 4 x 70 W | 
| RMS output power 2 Ohm | 2 x 125 W | 
| Item number | 10045303 | 
| Manufacturer | Crunch | 
| Category | Car hi-fi amplifiers | 
| Manufacturer no. | GPX-1000.4 | 
| Release date | 1.11.2018 | 
| External links | 
| amplifier type | 4-channel amplifier | 
| Low-pass filter | 50 - 250 Hz | 
| Signal to Noise Ratio > | 100 dB(A) | 
| Car HiFi Amplifier Features | Broadband filter, High-pass filters, Low pass filter adjustable | 
| RMS output power 4 Ohm | 4 x 70 W | 
| RMS output power 2 Ohm | 2 x 125 W | 
| Country of origin | Germany | 
| CO₂-Emission | |
| Climate contribution | 
| Depth | 326 mm | 
| Width | 254 mm | 
| Height | 46 mm | 
| Length | 39 cm | 
| Width | 27.50 cm | 
| Height | 7 cm | 
| Weight | 3.12 kg |