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  3. AH-C840NCW vs KDT3000

Denon AH-C840NCW vs final KDT3000

What AH-C840NCW does better (1) and where KDT3000 wins (1) — every spec side by side.

Denon AH-C840NCW
Denon · 2025AH-C840NCW
7.2Score
1 advantage≈ $110
Higher score
vs
final KDT3000
final · 2025KDT3000
1 advantage≈ $85
7.1Battery6.6

Why is AH-C840NCW better than KDT3000?

  1. Battery life10 h vs 8.5 h+18%

Why is KDT3000 better than AH-C840NCW?

  1. Charging time2 h vs 1.5 h+33%
Specifications

Side by side

Denon AH-C840NCWDenon AH-C840NCW≈ $1107.2
Sound
FitIn-earOpen-ear
Ear cup designClosed-backOpen-back
Driver typeDynamic—
Driver size12 mm—
Adjustable equaliserYes—
Noise control
Active noise cancellingYes—
Transparency / ambient modeYes—
Battery & charging
Battery life10 h8.5 h
Battery life with ANC7 h—
Charging time2 h1.5 h
Wireless charging (case)Yes—
Connectivity
WirelessYesYes
Bluetooth version5.35.4
Bluetooth codecsLC3, AAC, SBCAAC, SBC
Hi-res codec (LDAC / aptX HD / LHDC)NoNo
aptXNoNo
LDACNoNo
Multipoint (two devices)YesYes
LE AudioYes—
USB-CYesYes
Design & build
Earbud weight (each)5 g—
Protection ratingIPX4IPX4
Water resistance (IPx)IPx4IPx4
Features
Touch controlsYesYes
Hands-free callsYesYes
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