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Koss SB45 vs. Apple AirPods Pro + 7
Apple AirPods (2nd Generation) with Wireless Charging Case
“Wireless connection”
£124.98
Free delivery
Frequency range (max)
20000 Hz
40000 Hz
20000 Hz
20000 Hz
20000 Hz
Frequency range (min)
18 Hz
4 Hz
20 Hz
20 Hz
20 Hz
Impedance
100 Ω
47 Ω
32 Ω
32 Ω
31 Ω
Microphone
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Power handling capacity
Sensitivity
103 dB/mW
104.5 dB/mW
110 dB/mW
Wired (Headphone> Audio source)
Yes
No
Yes
Yes
No
No
Yes
No
No
Type of connector
3.5mm
3.5mm
3.5mm
2.5mm, 3.5mm
Wireless
No
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Wireless connection
Bluetooth
Radio (RF)
Bluetooth
Bluetooth
Bluetooth
Bluetooth
Bluetooth
Bluetooth
Bluetooth codec
AAC
LDAC, SBC, AAC
SBC, AAC
SBC, AAC, Scalable
SBC, AAC
SBC, AAC
SBC, AAC, Scalable
Bluetooth profile
HSP, GAP
HFP, HSP, A2DP, AVRCP
HFP, A2DP, AVRCP
HFP, HSP, A2DP, AVRCP
HFP, HSP, A2DP, AVRCP
HFP, A2DP, AVRCP
Bluetooth version
5.0
5.0
5.0
5.0
4.1
5.0
5.0
Battery life (in use)
4.5 h
12 h
30 h
5 h
6 h
20 h
6 h
11 h
Attachment type
Headband
Ear canal
Headband
Headband
Ear canal
Ear canal
Headband
Ear canal
Ear canal
Available colours
Black, White, Silver, Grey, Gold
White
Black, White, Silver
Black, White, Silver, Pink
White, Blue
Black, White, Silver, Brown, Blue, Red, Pink, Bronze
Black, Silver, Grey, Blue, Yellow, Gold, Pink
Black, White, Silver, Pink
Black, White, Silver, Blue, Red, Purple
Driver size
40 mm
12 mm
40 mm
6 mm
11.8 mm
Product weight
267 g
10.8 g
0.6 g
254 g
4 g
5.6 g
235 g
8.5 g
6.3 g
Features
Folding, Suitable for gaming
Buttons/controls adapted for iPhone, Suitable for gaming, Active noise cancellation (ANC), QI Charging, True Wireless
Detachable cable, Suitable for gaming
Folding, Supports NFC, Charging via USB, Active noise cancellation (ANC)
Buttons/controls adapted for iPhone, QI Charging, True Wireless
Buttons/controls adapted for iPhone, Active noise cancellation (ANC), QI Charging, True Wireless
Detachable cable, Folding, Multi Point, Supports NFC, Buttons/controls adapted for iPhone, Charging via USB, Active noise cancellation (ANC)
Folding, Supports NFC, Active noise cancellation (ANC), True Wireless
Detachable cable, QI Charging, True Wireless
IP code (level of dust/water resistance)
IPX4
IPX2
IPX4
IPX2
Acoustic design
Closed
Closed
Closed
Closed
Closed
Closed
Closed
Closed
Control
Volume
Play/Pause, Next song, Previous song, Volume, Answer button
Play/Pause, Volume
Next song, Previous song, Volume, Answer button
Volume
Play/Pause, Next song, Previous song, Volume, Answer button
Volume
Play/Pause, Next song, Previous song, Volume
Driver technology
Dynamic
Dynamic
Dynamic
Dynamic
Dynamic
Dynamic
Dynamic
Dynamic
Dynamic
Type
Stereo 2.0
Stereo 2.0
Surround
Stereo 2.0
Stereo 2.0
Stereo 2.0
Stereo 2.0
Stereo 2.0
Stereo 2.0
Number of channels
7.1
Simulated surround sound
Yes
Release year
2004
2021
2020
2020
2021
2021
2017
2021
2021