ASX Series
Power to the pros
Forever young – the ASX Series
Flexibility, quality, and reliability is paramount to the ASX Series. The modules have an extraordinary solid build, and are fully protected ensuring a long lifetime. Due to their compact size, the ASX solutions are suitable for innovative product architectures, bringing a new, exceptionally powerful experience to audio reproduction.
The ASX Series is fully compatible with our extension module, ICExtend. By integrating ICExtend in your application, you can easily add ErP (1275/2008) compliant stand-by functionality, universal mains, and +5 V auxilliary power supply. The modules are based on ICEpower’s HCOM class D topology resulting in extended bandwidth, improved dynamic range, and exceptionally low distortion.

Where is it used?
ICEpower’s products have a wide range of potential uses, making them preferred among world-leading audio brands. If you want to know more about how to best utilize the modules in the ASX Series, you can click below to see the typical applications.
How do they compare?
Need more power? Need more channels? ICEpower’s portfolio depth is here to fulfill your needs. Check out the comparison chart below, and find out which module in the ASX Series that is the right one for your sound solution. In case you are not aware of your exact requirements, please contact us for consultancy.
In the featured comparison chart, you will also find key performance parameters for the different modules in the ASX Series.

Learn more

ICEpower 50ASX2SE
Combining a highly efficient resonant gearbox power supply with a 2x 50 W audiophile class D amplifier. Perfect for 2 way speakers and stereo hifi applications.
Key performance Parameters
Output Power 1 % THD+N, 20 Hz – 20 kHz | 2 x 50 W (4 Ω) 2 x 25 W (8 Ω) |
Output Power 10 % THD+N, 20 Hz – 20 kHz | 60 W (4 Ω) |
Minimum load impedance | 2 Ω |
Maximum amplifier efficiency | – |
Maximum total amp+psu efficiency | 81 % |
Supply voltage input (Selectable) | 85-264 VAC |
Peak output current | 20 A |
Dynamic range | 120 dB |
Amplifier maximum output voltage per channel | 20 V |
Output referenced idle noise (A-weighted) | 25 µV |
THD+N 1W/1kHz | 0.003 % |

ICEpower 50ASX2BTL
Combining a highly efficient resonant gearbox power supply with a 1x 170 W audiophile class D amplifier. Very popular for bass amplifiers, guitar amplifiers, subwoofers or used in pairs for hifi stereo amplifiers.
Key performance Parameters
Output Power 1 % THD+N, 20 Hz – 20 kHz | 170 W (4 Ω) |
Output Power 10 % THD+N, 20 Hz – 20 kHz | 220 W (4 Ω) |
Minimum load impedance | 3 Ω |
Maximum amplifier efficiency | – |
Maximum total amp+psu efficiency | 81 % |
Supply voltage input (Selectable) | 85-264 VAC |
Peak output current | 20 A |
Dynamic range | 125 dB |
Amplifier maximum output voltage per channel | 37 V |
Output referenced idle noise (A-weighted) | 20 µV |
THD+N 1W/1kHz | 0.002 % |

Icepower 125ASX2
Combining a highly efficient resonant gearbox power supply with an audiophile class D amplifier of 2×125 W at 4 Ω, bridgeable to 1×450 W at 4 Ω. Very popular for bass amplifiers, subwoofers, stereo home automation and hifi amplifiers as well as industrial applications.
Key performance Parameters
Output Power 1 % THD+N, 20 Hz – 20 kHz (SE) |
125 W (4 Ω) 150W (8 Ω) |
Output Power 1 % THD+N, 20 Hz – 20 kHz (BTL) |
450 W (4 Ω) |
Output Power 10 % THD+N, 20 Hz – 20 kHz (SE) | 150 W (4 Ω) |
Output Power 10 % THD+N, 20 Hz – 20 kHz (BTL) | 550 W (4 Ω) |
Minimum load impedance | 3 Ω |
Maximum amplifier efficiency | – |
Maximum total amp+psu efficiency | 86 % |
Supply voltage input (Selectable) | 85-264 VAC |
Peak output current | 20 A |
Dynamic range (SE) | 117 dB |
Dynamic range (BTL) | 121 dB |
Amplifier maximum output voltage per channel | 32 V |
Output referenced idle noise (A-weighted) (SE) |
30 µV |
Amplifier maximum output voltage per channel | 32 V (SE) 60 V (BTL) |
Output referenced idle noise (A-weighted) (BTL) |
36 µV |
THD+N 1W/1kHz | 0.003 % |

ICEpower 250ASX2
Combining a highly efficient resonant gearbox power supply with an audiophile class D amplifier of 2x 250 W at 4 Ω which can be bridged to 1x 500 W in 8 Ω. Very popular for bass amplifiers, subwoofers, stereo home automation and hifi amplifiers as well as industrial applications.
Key performance Parameters
Output Power per channel 1 % THD+N, 20 Hz – 20 kHz (SE) |
270 W (4 Ω) 435 W (2 Ω) |
Output Power 1 % THD+N, 20 Hz – 20 kHz (BTL) |
500 W (8 Ω) |
Output Power 10 % THD+N, 20 Hz – 20 kHz (SE) | 280 W (4 Ω) |
Output Power 10 % THD+N, 20 Hz – 20 kHz (BTL) | 630 W (8 Ω) |
Minimum load impedance (SE) | 3 Ω |
Minimum load impedance (BTL) | 4 Ω |
Maximum amplifier efficiency | – |
Maximum total amp+psu efficiency | 84 % |
Supply voltage input (Selectable) | 85-264 VAC |
Peak output current | 30 A |
Dynamic range (SE) | 117 dB |
Dynamic range (BTL) | 121 dB |
Amplifier maximum output voltage per channel | 46.5 V (SE) 89.5 V (BTL) |
Output referenced idle noise (A-weighted) (SE) |
80 µV |
Output referenced idle noise (A-weighted) (BTL) |
55 µV |
THD+N 1 W/100 Hz (SE) | 0.008 % |
THD+N 1 W/100 Hz (BTL) | 0.004 % |
Buy
Dear Customer, you are about to place this order in your shopping cart. If you can't see our prices, please log in before continuing. If you don’t currently have a login with ICEpower, please request via the appropriate sales manager. Once you have made your final selection, you will automatically be redirected to the payment process.

50ASX2SE – Sample
A sample-kit contains one module and necessary cables for you to get stared with evaluation ICEpower’s products.
50ASX2SE – Carton (24 pcs.)
This is the minimum order quantity. Here you will receive a cardboard box with a certain number of modules.
Buy
Dear Customer, you are about to place this order in your shopping cart. If you can't see our prices, please log in before continuing. If you don’t currently have a login with ICEpower, please request via the appropriate sales manager. Once you have made your final selection, you will automatically be redirected to the payment process.

50ASX2BTL – Sample
A sample-kit contains one module and necessary cables for you to get stared with evaluation ICEpower’s products.
50ASX2BTL – Carton (24 pcs.)
This is the minimum order quantity. Here you will receive a cardboard box with a certain number of modules.
Buy
Dear Customer, you are about to place this order in your shopping cart. If you can't see our prices, please log in before continuing. If you don’t currently have a login with ICEpower, please request via the appropriate sales manager. Once you have made your final selection, you will automatically be redirected to the payment process.

125ASX2 – Sample
A sample-kit contains one module and necessary cables for you to get stared with evaluation ICEpower’s products.
125ASX2 – Carton (20 pcs.)
This is the minimum order quantity. Here you will receive a cardboard box with a certain number of modules.
Buy
Dear Customer, you are about to place this order in your shopping cart. If you can't see our prices, please log in before continuing. If you don’t currently have a login with ICEpower, please request via the appropriate sales manager. Once you have made your final selection, you will automatically be redirected to the payment process.

250ASX2 – Sample
A sample-kit contains one module and necessary cables for you to get stared with evaluation ICEpower’s products.
250ASX2 – Carton (12 pcs.)
This is the minimum order quantity. Here you will receive a cardboard box with a certain number of modules.
Buy
Dear Customer, you are about to place this order in your shopping cart. If you can't see our prices, please log in before continuing. If you don’t currently have a login with ICEpower, please request via the appropriate sales manager. Once you have made your final selection, you will automatically be redirected to the payment process.

Buy
Dear Customer, you are about to place this order in your shopping cart. If you can't see our prices, please log in before continuing. If you don’t currently have a login with ICEpower, please request via the appropriate sales manager. Once you have made your final selection, you will automatically be redirected to the payment process.
