Where's a good quality, perfect sound amplifier to enhance the DVD / CD-quality

Company: Shenzhen Extension peak Technology Co., Ltd. specializing in the development, production and sales of car audio. Private car company developed sound processing amplifier, high-fidelity sound reduction products processing, power amplifier includes a host of current and voltage protection function, with signal short self-protection feature that allows consumers to listen to happy with peace of mind. Product Features 1. Two high-fidelity sound reduction processing function 2. The digital amplifier power zoom function works to restore the use of high-fidelity sound processing chips good quality, good sound quality with digital amplifier to the speaker of the end product of the four highlights 1, does not split change destructive upgrade audio leading brands: Dedicated car, without removal of any one line does not affect the original car any function, insert the end of the line for installation, instantly enjoy 2 HI-FI quality, cost-effective change does not change the speaker does not sound Host only add to the pretty sound amplifier. People First price of mass consumption. 3, the product installation spread to all stores: Private car use tinned copper oxidation tails original car CD / DVD tails docking installation 4, low investment and high return: stocking common investment dedicated tails, sitting on 200 models car stereo Upgrade profit 5, after installation can compare with the original car sound to enhance the effect is immediate. Remove not satisfied as to the recovery Model: Q1: Soundtrack sound version rated power 50W * 4-way Q3: pretty sound quality version, excellent high-frequency vocal performance, focusing on vocal quality Rated power: 60W * 4-way Q5: Fever sound version, in the level of detail outstanding, bass performance is particularly impressive rated power: 70W * 4-way song bass amplifier for 230 vehicle models, original car stereo upgrade, upgrade in order to ensure the most suitable effect you need to purchase please consult models