Alpine KTP-445A mini amplifier
external digital mini amplifier, 4 x 45 W RMS into 4 Ω
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More about the product
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Alpine KTP-445A mini amplifier
This compact device will increase the performance of your system. Simple to install, easy to place behind the front panel. Pluggable behind radio to ISO connector, works with Alpine head units since 2005, easy installation.- 4 x 100 W Max.
- 4 x 45W RMS.
- Works with all Alpine head units manufactured from 2005 to present.
- Plug and Play installation (no additional cables required).
- High/low gain switch.
- Compact size.
| Catalog number | KTP-445A |
| Brand | Alpine |
| Links | Official web presentation |
| Number of amplifier channelsAmplifiers are divided into: - Monoblocks - 2-channel - 3-channel - 4-channel - 5-channel - 6-channel - multi-channel Each channel is used to power one speaker for the coaxial type, or one side if they are component speakers. Monoblock type amplifiers are mainly used for subwoofers. 2-channel are suitable for both subwoofers and, for example, the front pair of speakers in a car. 3-channel is used for front or rear speakers + subwoofer. 4-channel are used for front + rear speakers or 1 pair of speakers + subwoofer. 6 or 5-channel are used for 2 pairs of speakers + subwoofer, most often. Bridging means connecting the amplifier to a bridge, using the + pole from one channel and the - pole from the other channel. In most cases this is shown as "BRIDGED" on the amplifier. | Digital mini amplifier |
| Energy class of the amplifierAmplifiers are divided into two basic classes: analog and digital . Analog amplifiers (A/B) have higher consumption requirements, but usually have a more natural sound. Digital amplifiers (D) have significantly lower consumption and higher efficiency, but the sound may not be as faithful as with classic analog amplifiers. | D |
| RMS power into 4 ΩRMS power when loading speakers or subwoofer at 4 Ω. RMS power is the constant power of the amplifier and is one of the most important parameters when choosing an amplifier. | 4 x 45W |
| Max. (maximum) power at 4 ΩPeak performance "Max." , which the amplifier can develop for a very short time. A relatively unimportant parameter. It is mainly a marketing move to attract customers to high numbers. | 4 x 100W |
| Mass | 1 kg |
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