Only opened box to show contents. Everything is still in their plastic bags.

Only opened box to show contents. Everything is still in their plastic bags.

Only opened box to show contents. Everything is still in their plastic bags.

Only opened box to show contents. Everything is still in their plastic bags.

Only opened box to show contents. Everything is still in their plastic bags.

Amplifier PRO7500 is a breakthrough product from HQsing, inheriting the superior technologies and “ALL-IN-ONE” design of the PRO4500. Powerful dynamic power amplifier, high fidelity, super stable, and powerful.