Comparison Kicx KAP 49 vs Kicx KAP 47

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	Kicx KAP 49	Kicx KAP 47
	from $337.00 Outdated Product	from $210.92 up to $300.24 Outdated Product
all specs only differences
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Class	A/B	A/B
Number of channels	4	4
Specs
Channel power (@2-ohms)	250 W	160 W
Channel power (@4-ohms)	150 W	100 W
Bridge connection	2 x 500 W /at 4 ohms/	2 x 260 W /at 4 ohms/
Resistance adjustment
Max. power	2000 W	1200 W
Max. impedance	4 Ohm	4 Ohm
Frequency range	20 – 20000 Hz	20 – 20000 Hz
Signal-to-noise ratio	100 dB	100 dB
Functions	high voltage input Bass Boost function subsonic low pass filter (LPF) high pass filter (HPF)	high voltage input Bass Boost function subsonic low pass filter (LPF) high pass filter (HPF)
General
Fuse rating	40 А /3 pcs/	40 А /2 pcs/
Dimensions	500х250x55 mm	450х250x55 mm
Added to E-Catalog	february 2014	february 2014

Channel power (@2-ohms)

Rated power output by the amplifier per channel when a load (speakers) is connected to it with a nominal impedance of 2 ohms. For details, see "Nom. channel power (at 1 Ohm)”.

Channel power (@4-ohms)

Rated power output by the amplifier per channel when a load (speakers) with a nominal impedance of 4 ohms is connected to it. For details, see "Nom. channel power (at 1 Ohm)”.

Bridge connection

Rated power delivered by the amplifier to a load connected in a bridge circuit. For more information about the rated power, see "Nom. channel power (at 1 Ohm)”.

With a bridged connection, the speaker is connected not to one channel, but to two at the same time — the “positive” connector of one channel and the “negative” connector of the other are used. If the amplifier has a similar format of operation, then such a pair of channels operates in antiphase, due to which the power is summed up. This allows you to connect speakers to the amplifier, the power of which is twice the nominal power of the device: for example, at 150 watts per channel, 300 watts of acoustics can be bridged. If there are 4 or more channels, it becomes possible to use several speakers according to the "bridge" scheme. This is usually directly indicated in the specifications — for example, the entry "2x300 W" in the "Bridge connection" item means the ability to work with two speakers, each with 300 W.

The requirements for load resistance when connecting with a bridge are the same as for conventional; see "Maximum Resistance" for details.

Max. power

The highest output power provided by the amplifier. It is worth noting that this indicator is not standardized, and different manufacturers may mean different values \u200b\u200bfor it — for example, the highest power of short-term, in a fraction of a second, peaks (power surges), the highest power that the amplifier can transfer for several seconds, or even the power at which the device will fail. Therefore, it makes no sense to compare different models with each other in terms of maximum power. But when choosing acoustics for an amplifier (or vice versa), this parameter can be very useful: it is desirable that the maximum power of the speaker be at least twice as high as that of the amplifier. This will reduce the risk that a power surge will damage the speakers.