Changes from Season 8
Similar to the 8th season, season 9 consisted three channels for audition, Live, Online and Academic institutions audition. However, in this season the audition participants from the Academic Institutions audition who pass the audition would not be automatically became the finalists, instead they had to competed again with the contestants from the Live and Online audition for the spot as a finalist. Season 9 finished the audition with 24 contestants got a chance to get into the house similar to season 8, but in this season, the 24 contestants would not yet received their V number for the competition. Instead, they had to compete in the "Minor House" in the first three weeks of the season for the spot as the final 12 in the "Main House", and the eight judges would selected six contestants from the twenty-four to joined their "team", two judges per team, with two teams of men and two teams of women. By each weeks, each team's judges would selected one contestants who performed the weakest and eliminated them out of the competition, which made two male and two female contestants be eliminated in each concert, similar to season 8, until each team had three remaining contestants, the remaining contestant will become the 12 main finalists of season 9 and received their V number. However, in the third concert, after each team's judges selected their first two contestants to be the season 9's finalists, leaving four spots in the final 12, the remaining eight contestants who not yet be selected were joined by eight eliminated contestants from the first two concerts, and all eight judges had to decide to pick four out of sixteen them to be the 12 finalists. The full list of the 12 main finalists of season 9 was revealed on the first day of the Main House competition, at the beginning of the fourth week of the season, which consisting of five female contestants and seven male contestants.Auditions
There were three channel for auditions, Live, Online and Academic institutions audition. The contestants were required to between the ages of 15 and 25 years old who are not embedded with music recording contracts. The Live Auditions were held in the following cities: * The South district, Surat Thani * The Northeast district,Semi-finalists
The 24 contestants Team 1 - ครูปุ้ม + ปู * Nest * Ice * Opol * Mind (Elim) * None (Elim) * Pla (Elim) Team 2 - ครูรัก + แมว * Kat * Baimonh * Nook (Elim) * Pam (Elim) * Baitong (Elim) * Dew (Elim) Team 3 - ครูเป็ด + ครูก๊องสุ์ * Bright * Zo * K * Fluke (Elim) * Earth (Elim) * Sony (Elim) Team 4 - ป้าแจ๋ว + ทาทา * Earth * Kong * Bombay * Sunny * Tawich (Elim) * Tung (Elim)Concert summaries
Top 24 - My Choose Song #1 (Semi-final Week 1)
;Team 1 ;Team 3 ;Team 2 ;Team 4Top 20 - My Choose Song #2 (Semi-final Week 2)
;Team 1 ;Team 3 ;Team 2 ;Team 4Top 16 - My Choose Song #3 (Semi-final Week 3)
;Team 1 ;Team 3 ;Team 2 ;Team 4 Group Performances * Team 1 - "ส่งต่อจากความรัก" (Top 12 - 12 Dreams 12 Styles (Week 1)
Top 11 - Re-stage: Friend's song (Week 2)
Top 10 - Thai's life (Week 3)
Top 9 - First Love (Week 4)
Group performances * Various Artists - "รักครั้งแรก" (ชาตรี)Top 9 - Killer Song (Week 5)
Top 8 - The Battle: Senior's Song (Week 6)
Top 8 - Mother's song (Week 7)
Top 7 - Dance City (Week 8)
Group performances * Males - "ละลาย" (โฟร์-มด) * Females - "ซ่าส์...สั่น ๆ" ( D2B)Top 6 - Duets (Week 9)
Top 5 - Musical (Week 10)
Group performances * Various Artists - "คนข้างๆ" (25 hours)Top 5 - Settha Sirachaya (Week 11)
Group performances * Males - หนาวเนื้อ * Females - ทะเลไม่เคยหลับ * Various Artists - จูบฟ้าลาดิน & โอ้รักFinal - True AF9 The final (Week 12)
Finalists
In order of elimination
''(ages stated are at time of competition)''Summaries
Elimination chart
Professional trainers
Principal * ยุทธนา ลอพันธุ์ไพบูลย์ * ศรัทธา ศรัทธาทิพย์ Voice Trainers * อรวรรณ เย็นพูนสุข * ศุษณะ ทัศน์นิยม * นันทนา บุญหลง * วรางคณิภา พวงธนะสาร Dance Trainers Acting TrainersJudges
* Tata Young * Jirasak Panpun * Suthee Saengserichol * Prakasit BosuwanReferences
{{reflist * Academy Fantasia