Audi a3 8l nokia amp wiring - Wiring subwoofer with lg lac 2900

Hello,i have problem with wiring nokia subwoofer.I found this scheme
1 - + 12V constant
2 and 3 left speaker output. And high tone
4 - mass
5 - on / off + 12V control
6 - left channel input
7 - right channel input
8 - input mass
9 and 10 output to right speaker Avg. And high tone
How to wire output (6,7) from this radio LG LAC 2900 Screenshot...222120.png Download (555.99 kB)
And what wire to connect on input mass?
I guess speaker output go to the front and rear speakers?
This is picture of nokia wofer
20180222_2..703.jpg Download (4.91 MB)