Aerofoil cone

DB4S' single driver features an aerofoil cone design ? the same technology used in our flagship 800 Series Diamond speakers ? for flawlessly accurate and articulate bass performance.

Powerful amplification
Thanks to 1000w of digital amplification, DB4S delivers all the precision, control and authority you could ask for.

Digital preamplifier
DB4S uses a digital preamplifier featuring Dynamic EQ, for optimised audio performance across the available frequency range.

Control app

Adjust calibration and correction easily using DB4S' dedicated smartphone app.

Technical features	1000W Class D Hypex amplifier Aerofoil bass cone Digital preamplifier with Dynamic EQ App-based set-up and BT-LE control
Description	Active closed-box subwoofer system
Drive units	1 x 250 mm (10in) Aerofoil cone bass
Frequency range	-6dB at 8.5Hz and 500Hz
Frequency response	10Hz ? 350Hz -3dB (centred on level at 100Hz)
Max Power Output	1000W
Rated Power Consumption at 1/8th of rated power	195W
Standby Power Consumption	<0.5W

Inputs	2 x RCA 2 x XLR
Input Impedance	RCA: 10 kOhm XLR: 20 kOhm
Signal to Noise Ratio	82 dB
Dimensions	Height 377mm (14.8 in) including feet Width 360mm (14.1 in) Depth 368mm (14.5 in)
Net Weight	26kg (57.3 lb)
Finishes Cabinet:	Rosenut Gloss Black Satin White
Grille:	Black Grey (Satin White only)