Table:
0
A
B
C
D
E
F
G
1
Headphone Model
Headphone Class
Driver-matched dB
Construction
Earpads
Termination
US MSRP
2
iGrado
Prestige
0.1
Plastic
Comfort Pads
1/8" (3.5 mm) plug
$49
3
SR60i
Prestige
0.1
Plastic
Comfort Pads
1/8" (3.5 mm) plug with 1/4" adaptor
$79
4
SR80i
Prestige
0.1
Plastic
Comfort Pads
1/8" (3.5 mm) plug with 1/4" adaptor
$99
5
SR125i
Prestige
0.1
Plastic
Comfort Pads
1/4" (6.5 mm) plug
$150
6
SR225i
Prestige
0.05
Plastic
Bowls
1/4" (6.5 mm) plug
$200
7
SR325is
Prestige
0.05
Aluminum alloy/ Plastic inner sleeve
Bowls
1/4" (6.5 mm) plug
$295
8
RS2i
Reference
0.05
Hand-Crafted Mahogany
Bowls
1/4" (6.5 mm) plug
$495
9
RS1i
Reference
0.05
Hand-Crafted Mahogany
Bowls
1/4" (6.5 mm) plug
$695
10
GS1000i
Statement
0.05
Hand-Crafted Mahogany
Circumaural Bowls
1/4" (6.5 mm) plug
$995
11
PS500
Professional
0.05
Hand-Crafted Mahogany / Aluminum
Bowls
1/4" (6.5 mm) plug
$595
12
PS1000
Professional
0.05
Hand-Crafted Mahogany / Aluminum
Circumaural Bowls
1/4" (6.5 mm) plug
$1695

Questions and formulas:
Question: What was the termination type for the headphones with comfort pads and selling for $150?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,(E1="comfort pads")*(G1="$150")),6))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G12,(E2:E12="comfort pads")*(G2:G12="$150")),6))
Level: medium
Question: What are the earpads for the headphones that are Reference class and have MSRP of $695?
Formula: UNIQUE(CHOOSECOLS(FILTER(A1:G1,(B1="reference")*(G1="$695")),5))
Formula2: UNIQUE(CHOOSECOLS(FILTER(A2:G12,(B2:B12="reference")*(G2:G12="$695")),5))
Level: medium
Question: What earpads do the headphones with driver-matched dB over 0.05 and MSRP of $79 have?
Formula: LET(query1,LET(query1,FILTER(A1:G1,G1="$79"),SUMMARIZE(CHOOSECOLS(query1,5),SUMX(CHOOSECOLS(query1,3)))),FILTER(query1,CHOOSECOLS(query1,2)>0.05))
Formula2: LET(query1,LET(query1,FILTER(A2:G12,G2:G12="$79"),SUMMARIZE(CHOOSECOLS(query1,5),SUMX(CHOOSECOLS(query1,3)))),FILTER(query1,CHOOSECOLS(query1,2)>0.05))
Level: hard