Features:
- Highly efficient subwoofer amplifier with high output power of up to 750 Watts RMS @ 1 Ohm – a perfect match for all 2 x 2 Ohms subwoofers connected in parallel
- Ideal for subwoofer upgrades of factory sound systems thanks to integrated, active crossover and high power stereo highlevel input with up to 32 V RMS input sensitivity
- Highlevel input with ADEP.3 for trouble-free integration into OEM sound systems
- Crossover with lowpass, subsonic and phase for optimal system configuration
- Additional auto turn-on via music signal for maximum compatibility with factory sound systems
- Very compact design for space-saving installation
- Start-stop capability down to 6V supply voltage for uninterrupted performance
- Advanced Class D concept for high efficiency and low heat dissipation
- Cable remote control for volume adjustment
Helix AMPLIFY 201 X-OVER
Power RMS @ 4 Ohms
1 x 250 Watts
Power RMS @ 2 Ohms
1 x 450 Watts
Power RMS @ 1 Ohm
1 x 750 Watts
Amplifier technology
Class D
Inputs
1 x RCA / Cinch
2 x Highlevel speaker input
1 x Remote In
1 x Remote control inputInput sensitivity
RCA / Cinch: 0.5 - 6 Volts
Highlevel: 3 - 32 VoltsInput impedance RCA / Cinch
RCA / Cinch: 8 kOhms
Highlevel: 9 - 33 OhmsOutputs
1 x Speaker output
Frequency response
10 Hz - 250 Hz
Lowpass
50 Hz - 250 Hz adjustable
Subsonic
10 Hz - 50 Hz adjustable
Phase
0° - 180° adjustable
Slope high / lowpass
Lowpass: 12 dB/Oct.
Slope subsonic
12 dB/Oct.
Signal-to-noise ratio analog input
114 dB (A-weighted)
Distortion (THD)
< 0.003% ( @ 100 Hz, 1 W into 4 Ohms)
< 0.02 % (+N @ 100 Hz, 1 W into 4 Ohms)
Damping factor
200
Operating voltage
10.5 - 16 Volts (max. 5 sec. down to 6 Volts)
Idle current
1,100 mA
Operating temperature range
-40 °C to +70 °C
Fuse
2 x 30 A LP-Mini-fuse (APS)
Additional features
Active, adjustable crossover, Start-Stop capability, highlevel input with automatic turn-on function, ADEP.3
Dimensions (H x W x D)
40 x 248 x 114 mm /
1.58 x 9.76 x 4.49”