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Amplifier Powerbass XL-605DM

1-channel amplifier, 1 x 250 / 400 / 600 W RMS (4 / 2 / 1 Ω), class D
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Amplifier Powerbass XL-605DM
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Amplifier Powerbass XL-605DM

The XL range of amplifiers has been developed for the growing Power Sports market including UTV and Marine applications where electronics must withstand harsh and wet environments. The printed circuit boards have been conformally coated with a layer of transparent material that protects the components from moisture, dust and extreme temperatures. These ultra-small, weatherproof amplifiers are ideal for all types of outdoor audio applications such as motorcycles, golf carts and off-road vehicles. But the small size also makes these amps a great choice wherever space is at a premium. Utilizing the latest Class D circuit design, these amplifiers may be small in size, but they pack a lot of power and have a much lower current draw compared to other amplifiers with similar output power. The wrap around the aluminum heatsink keeps everything running. Each model gives you a choice between a low-level RCA input or a 3.5mm (1/8”) mini-pug Aux input. The Aux input makes it easy to connect portable devices such as an iPod, MP3 player or smartphone to become your source unit.

The main features of the Powerbass XMA-800D amplifier

  • 1-channel class D amplifier.
  • Power 1 x 250 / 400 / 600 W RMS (4 / 2 / 1 Ω).
  • Very low current consumption.
  • Double-sided copper circuit board.
  • PWM MOSFET power supply.
  • Digital circuit for sound optimization.
  • High damping control circuit.
  • High current ripple circuit.
  • 3.5 mm AUX input.
  • Remote soft delay on/off circuit.
  • Variable Low Pass Electronic Crossover.
  • Variable 12dB Bass Boost EQ.
  • Wired secondary gain remote control included.
  • Protection circuit: impedance overload, speaker short, circuit, thermal overheating and DC output.

About the Powerbass brand

Powerbass was founded in 2001 with one goal in mind: to bring to the market great audio products offering perfect sound and high reliability at an affordable price. Powerbass is headquartered in Ontario, California, where it also owns manufacturing facilities with a top engineering team and development management. Originally, Powerbass focused on the production of high-quality OEM speakers, which at the time represented inimitable quality in the given price category. Over the years, they have expanded the offer with many products such as subwoofers or amplifiers and of course several model series of speakers, of which the basic "S" series in particular has become almost legendary. And always with the same goal as in the beginning - to offer affordable products that surpass the competition. Two decades later, Powerbass honors the same values and offers its customers a comprehensive portfolio of high-quality products to maximize the music listening experience.
Catalog numberXL-605DM
BrandPower bass
LinksOfficial web presentation (English)
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.
1
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. 1 x 250W
RMS power into 2 ΩRMS power when loading speakers or subwoofer at 2 Ω. RMS power is the constant power of the amplifier and is one of the most important parameters when choosing an amplifier. 1 x 400W
RMS power into 1 ΩRMS power when the subwoofer is loaded at 1 Ω. RMS power is the constant power of the amplifier and is one of the most important parameters when choosing an amplifier. When connected to 1 Ω, significant heating of the amplifier may occur. 1 x 600W
Low-pass filter (LPF)LPF / LP or "low pass filter" offers the possibility to adjust the amplifier using a potentiometer so that the lower band plays only the frequencies in a certain band that you need. This filter is used to adjust the frequency range for the subwoofer, so that it does not overload or distort the sound.

Example:
Amplifiers most often have an LPF from 20 to 300 Hz. We recommend setting this potentiometer in the range of 45-80 Hz.
50 - 250 Hz
Frequency rangeThe ability of the amplifier to reproduce the signal from the lowest frequency to the highest = faithfully reproduce the sound in a specific frequency band.

Professionally:
In the frequency range from 40 to 16,000 Hz, the vast majority of fundamental and overtones (harmonics) of all musical instruments are found. We are interested in the course of the radiated sound pressure in this range of frequencies when the loudspeaker system is supplied with constant power. We call this course the frequency characteristic, which tells us the level of radiated sound pressure in decibels (dB) depending on the frequency. The frequency characteristic of a speaker or speaker system can be expressed most succinctly with a graph.

Mostly, however, the frequency characteristic is indicated by indicating the maximum tolerance of the sound pressure in the given frequency range, e.g. 50 to 15,000 Hz -+ 6 dB. Since the frequency characteristics of loudspeakers and systems in general are quite uneven, some manufacturers do not even specify this maximum tolerance of sound pressure in decibels in their catalogs for reasons of prestige. Data impoverished in this way is unfortunately worthless. What is valid is that the manufacturer offers a speaker system with a frequency range of 30 to 20,000 Hz, if he is worried about stating the maximum unevenness of the sound pressure in this range, because he can have a tolerance of, for example, +- 20 dB.

The unevenness or undulation of the frequency curve in good speaker systems for high-quality music performance should not exceed +-3 dB in the 80 to 12,000 Hz band and +-6 dB in the 40 to 16,000 Hz band. Greater unevenness already depletes or emphasizes certain tonal areas, which can cause audible or even disturbing distortion. The proportion between fundamental tones and higher harmonics also changes, thereby changing the color of the sound, and individual musical instruments as well as the entire musical image sound unnatural.
10 - 300 Hz
Harmonic Distortion (THD)Total harmonic distortion indicates how much the input signal is distorted in the amplifier. Distortions appear as overtones contained in the output signal. The proportion of originally absent parts of the signal is given as a percentage, typical values are between 0.001% and 0.5%.

Distortion is measured in their power band. If it exceeds the limit of 0.7% from a certain power, it is the value of the output power of the given amplifier, from which it no longer plays without distortion and from which the distortion usually increases steeply, so that no further increase in power can be counted on. The lower the value, the better.
0.4%
Signal-to-noise ratioThe signal-to-noise ratio means that the output signal always contains noise. The signal-to-noise ratio expresses how much of this noise is compared to the useful signal. The so-called A value is given, which does not take deep and very high frequencies into account. This corresponds to the characteristic of human hearing, which is not so sensitive to deep frequencies, especially below 1 kHz. The higher the value, the better the amplifier is. > 85 dB
Input sensitivityIn order for the amplifier to perform its function correctly, it requires an input signal of a certain level, which is different for car radios. It is measured in "Volts" (e.g. 2 V, 4 V, etc.) The higher the value at the output of the pre-amplifier, or car radio, the less demands are placed on the power of the amplifier. However, the amplifier must allow this input sensitivity, and for that reason this value is also given for the amplifier. 0.25 - 10 V
Phase shiftPhase shift is a linear electronic oscillator that produces a sinusoidal output. It consists of an inverting part of the amplifier such as a transistor. The feedback network "shifts" the phase at the output of the amplifier by 180 degrees to the oscillation frequency and gives positive feedback. The Phase shift filter produces a phase shift that increases with increasing frequency.

This is usually used when the subwoofer sub-assembly is out with the magnet, or when two amplifiers are connected externally. Phase Shift is also used with active speaker wiring, where the time shift of the speakers is set. The point is that the subwoofer does not play the bass late, and for this reason better amplifiers offer this phase reversal option.
No
SubsonicA subsonic filter is essentially a high-pass filter for very low frequencies, typically 45 Hz or lower. Anything below this setting is weakened. The point is that the subwoofer does not go below the subsonic filter setting and does not overload itself with very low frequencies. A useful function, if set correctly, the subwoofer is not overloaded. Yes
Socket input terminalsFerrule terminals allow better wiring contact to the amplifier. It is also a more secure form of terminals. If you are tightening the sleeve terminals, we recommend retightening them after 1 day, as the connected cable gradually compresses. Yes
Remote control included in the packageSome models of amplifiers also come with wired remote controls in the package, which on one side plug into the amplifier and on the other side you have a potentiometer that you can place anywhere in the cabin. A common place to place the remote control is under the steering wheel. The advantage is the regulation of power, and therefore volume, depending on driving conditions and the mood of the crew in the car. Yes
Input for wired remote controlIf the amplifier has a remote control input. Yes
Dimensions of the amplifier213 x 114 x 40 mm

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