Buchardt Audio S400 MKII

Buchardt Audio

S400 MKII

Introduced 2021$2,050 MSRP

Danish direct-sale stand-mount with a large custom waveguide tweeter, 6-inch aluminium mid-woofer and rear passive radiator, tuned for smooth off-axis response and deep bass from a compact box.

MSRP

$2,050

Used market · Excellent

$1,450est.

-29% vs MSRP
as of Aug 15, 2026

MSRP to used market

From $2,050 at launch to $1,450 today (estimated).

Specifications

Type
2-way stand-mount with rear passive radiator
Drivers
6-inch aluminium mid-woofer, 0.74-inch textile dome tweeter in waveguide, rear passive radiator
Weight
17.6 lbs
Dimensions
14.4 x 7.1 x 11.0"
Impedance
4 Ω
Sensitivity
88 dB
Power handling
200 W
Frequency response
33Hz-40kHz (+/-3dB)

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