1. The new tunnel system makes the product have high heat dissipation efficiency, 4 high-efficiency cooling fans, the working temperature of the whole machine is low, the stability and reliability of the product are higher

2. The semiconductor used is a world-famous brand-power tube: American ON (Onsen) and IXYS tube with power amplification function. Advantages: mid and high treble is very clean and transparent, and the bass is thick

3. The power amplifier is equipped with DC protection, short circuit protection, VHF protection, over current protection, volume recovery and other protection functions.

4. High-speed servo DC-DC converter power amplifier technology completely solves the contradiction between power, efficiency and sound quality, and can save more power resources

5. Size:

F4600 / F4800:

Carton size: 557 * 557 * 140mm;

Amplifier size: 465 * 485 * 90mm;

Add handle size: 505 * 485 * 90mm;

6. Weight:

F4600: net weight 12.5KG, gross weight 13.5KG;

F4800: net weight 13KG, gross weight 14KG;