Source : www.dls.se

ULTIMATE series A7 Five-channel amplifier rated at 4 x 60 Watts on the stereo channels plus 1 x 300 Watts from the mono sub channel.
Built to provide a complete in car entertainment system system with all necessary crossovers, all in one amplifier. For detailed information about the crossover possibilities please read the technical specifications.
Internal switches connects all amplifier inputs if you prefer to use only one RCA cable.
Built-in fan control. Remote sub level control with phase shift is included.
- RMS output per channel at 13,8 volts, 20 Hz - 20 kHz , < 0,1% distortion.

Number of channels	5
Amplifier class	AB
Output power in 4 ohm	4 x 60 W
Output power in 2 ohm	4 x 100 W
Mono bridge mode 4 ohm	2 x 200 W
Mono sub channel 4 ohm	300 W
Mono sub channel 2 ohm	440 W
Mono sub channel output in 1 ohm	600 W
Frequency range	10 Hz - 50 kHz
Damping factor	> 200
S/N ratio, A-weighted	> 100 dB
Input impedance, high level	N/A
Input sensitivity	0,3 - 7 V
Input impedance	> 10 kohm
Filters channel A & B	HP: 80 - 400 Hz / 1,6 - 8 kHz (x20)
Filters channel C & D	HP: 80 - 400 Hz. LP: 0,3 - 4 kHz / 3 - 40 kHz (x10)
External cooling fan terminal	1
Remote base level control	1
Remote phase shift control	1
Power consumption (idle)	1,1A
Power consumption (max)	120 A
Rec. power cable	Minimum 4AWG / 21 mm2
Fuses	2 x 35 A + 2 x 20 A
Dimension (W x D x H)	605 x 240 x 73 mm (23,82 x 9,45 x 2,87 inches)
Weight	8,1 kg ( 17,86 lb)

Source : www.dls.se

Nobelium10 is a 10″ subwoofer in the Ultimate series. It has a solid die-cast basket in the same Color as the rest of the series. Powerful cone of aluminium with superb sound qualities. Dual spiders and dual magnet system. Dual 4 ohm voice coils. Rubber magnet cover. T-yoke with vent holes for maximum cooling of the voice coil. The grille has the same colour as the rest of the series.

Source : www.dls.se

IRIDIUM 10i is a new 10″ subwoofer in the Ultimate Iridium series with diecast basket in a nice grey color. Strong paper cone made of unpressed paper giving a superb sound quality. Dual spiders and dual magnet system with a rubber magnet cover. Dual 4 ohm voice coils. Grille and basket in same colour as the other speakers in this series