M10-10BF Meris ：

1: The weight sold in the Chinese market is 44kg/ Piece. Our export version weighs 57kg/ Piece

2: Our store is ecport, the export version is difference with China verison, it mean that the China sales one isn't the same with avplay export version:

1)AVplay version upgrade the frequency divider, use the best frequency divider meterial, this is the divider photoes:

2) AVplay versionupgrade the speakers body materials and structural, it greatly improvide/increase the low frequency quality, so the avplay version is more weight 30kg/pair,

Here is the difference between the Chinese version and the AVPLAY version, as shown in Figure 1 .The trademark is different. 2. The color is different, and only we have this color

3. very mature , the frequency response wave is very good, it is a direct line,

4. easy to push, your tube amplifier can push it,

5.very strong low bass

6. good at mid-frequency.

2. 4th 10 inch=normal tweeter(is the same with 3rd verison)+normal paint;

3. 4th 10 inch Pro=upgrade crossover network basic on 4th 10 inch, Upgrade the crossover by using professional divider capacitors and hollow inductors to achieve better sound quality; This the second and third upgrade the crossover network.

4. AVplay M10-BF 5TH 10 inch max=Upgrade: 1 Upgraded frequency divider 2 Upgraded enclosure

Make the speaker box more sturdy on the fourth generation 10 inch (with a pair of materials adding 20kg)

Upgrade the frequency divider and use professional frequency divider capacitors and hollow inductors to achieve better sound quality;