4-channel high-end High-End sound amplifier Ground Zero GZPA 4SQ, 1400W
4-channel high-end High-End sound amplifier Ground Zero GZPA 4SQ, 1400W - Ask you before buying whether we have this item in a warehouse if we do not have to be ordered and arrive within 2-21 days.
▪️ Do you have questions about this product?❓We can consult by phone +370 683 90000 or come to our salon Armatūrinininkų St. 1, Kaunas.
Free delivery in Lithuania from € 100
Free delivery in Lithuania from € 100
In Lithuania, Venipak courier delivery is available via 1-2 business days.
Delivery outside Lithuania within 4-10 business days.
Pick up the goods in the store for € 0
Pick up the goods in the store for € 0
Armatūrinininkų St. 1, Kaunas
Working hours: Thursday 9:00-18:00
INFORMACIJA
Hi-End high-end 4-channel car audio amplifier with integrated active filter, BIAS (class A-AB) adjustment and high-quality parts that true music lovers will appreciate!
- High-end 4-channel SQ amplifier
- MOSFET technology
- Variable active crossover with bypass function
- Variable BIAS setting
- High quality components
- Strong clamps
- Efficient radiator with illuminated Ground Zero letters

TECHNICAL DATA
| Model |
4-channel high-performance SQ amplifier |
|---|---|
| Channels |
4 |
| Output Power (@ 4Ω) |
4x 125 Watts RMS |
| Output Power (@ 2Ω) |
4x 225 Watts RMS |
| Output Power (@ 1Ω) |
4x 350 Watts RMS |
| max. Output |
2x 840 Watts |
| Frequency Response |
10 Hz - 50 kHz |
| HPF / LPF / BPF |
● / ● / ● |
| Bass Boost / Phase Shift |
● / ○ |
| High-Level Input / Auto-on |
○ / ○ |
| Remote |
○ |
| BIAS Setting |
● |
| Linkmode |
○ |
| Dimensions (W x L x H) |
222 x 420 x 60.5mm / 8.74 x 16.54 x 2.38" |




