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Bose – PowerMatch PM4250 / PM4250N

Amplifiers

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bose-powershare-404d
  • Bose Professional

Bose – PowerShare PS404D

PowerShare amplifiers deliver outstanding audio performance and reliability with patented technologies inherited from the field-proven PowerMatch line — now with added flexibility. Using innovative PowerShare technology, the amp shares power across all output channels and delivers 400 watts for installed applications.  Put the power where you need it. PowerShare amplifiers deliver outstanding audio performance and reliability with patented technologies inherited from the field-proven PowerMatch line — now with added flexibility. Using innovative PowerShare technology, the amp shares power across all output channels and delivers 400 watts for installed applications. This means you can distribute the total 400 watts asymmetrically across all outputs or use any individual output to deliver full power. And with support for both low- and high-impedance loads up to 100V, it’s easy to adapt PowerShare amplifiers to a wide range of applications. ControlSpace Designer software allows for Ethernet-based configuration and quick setup of external control options. With onboard Dante® audio networking, you have the flexibility to place PowerShare amplifiers away from source locations and closer to loudspeakers. This unique set of features and technologies makes PowerShare one of the most versatile, high-performance amplifiers available today. Features
  • PowerShare Technology Distribute the total 400 watts asymmetrically across all outputs using patented PowerShare technology, which allows each output to deliver full power. Instead of selecting amplifier power based on the needs of the largest zone, you now have the freedom to use total amplifier power in any application. This enables more flexibility during the initial design, or later on-site when making unplanned changes that take advantage of surplus power.
  • Load-independent Outputs Configure any channel for low-impedance (4-8 Ω) or high-impedance (70/100V) applications without bridging or using jumpers.
  • Integrated Dante Audio Networking Support four audio input channels from a Dante network and mix onboard analog inputs with digital Dante inputs as selected in ControlSpace Designer software.
  • Dual Feedback Loop System Improve performance and reliability. The Dual Feedback Loop system, inherited from the field-proven Bose PowerMatch amplifier line, allows for continuous monitoring and control of both the current and voltage delivered to each output load. This combination provides improved linearity and lower distortion while protecting loudspeakers.
  • ControlSpace Networking Configure using ControlSpace Designer software for inclusion into larger networked audio systems where end-user controllers and scheduling events can control amplifier parameters.
  • Integrated Loudspeaker Processing Adjust various parameters using ControlSpace Designer software: nine-band PEQs, matrix mixing, crossover, limiters, delay, mute/output polarity, and more.
  • Auto-standby Save power — PowerShare amplifiers can be configured to automatically enter standby mode when the audio signal falls below a set threshold, then wake when audio returns.
Applications
  • Performing arts venues
  • Places of worship
  • Conference centers
  • Retail stores
  • Restaurants and bars
  • Hospitality venues
    Amplifiers
  • Dante Ch: 4x0
  • 24-bit
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Q20i
  • DMIX

DMIX – Q20i

Advantages:

● High power density and light body weight, not only can meet the needs of large sound amplifying system, but also easy to move and install;

● Powerful DSP function, including routing control, level adjustment, filtering, equalization, voltage limit, delay, inverting, mute, etc.

● Accurate and intuitive status indicator and LCD function display, working status;

● Power amplifier built-in DSP front stage, without external signal front stage, you can match different styles of speakers, easily adjust the required effect, and can be stored in the parameters of multiple speakers, convenient access;

● Environmental monitoring unit can be used to collect voltage, current, temperature and other parameters;

● Accurate and sensitive temperature detection protection, to ensure that the machine during heating work in a safe range.

Technical parameters：

Product Model: Q20i

Product type: Two channel DSP digital power amplifier

8 Ω power: 600W X2

4 Ω power: 1200W X2

Analog maximum input： 22dBu

AES maximum input： 0dBS

Frequency response： 20-20KHz +/- 1dB

THD+N： <0.8%

Damping coefficient： 150

Signal to noise ratio： 100

Working voltage： 100V-240V

    Amplifiers
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crest-audio-protour-series-5002d_1200px
  • Crest Audio

Crest Audio – ProTour Series

The company’s Class D-based amplification products are engineered to meet the demands of portable and fixed installation audio systems. The company’s Class D-based amplification products are engineered to meet the demands of portable and fixed installation audio systems. Crest Audio, part of the Peavey Electronics family of brands, says the ProTour line of amplifiers includes a choice of four models. Some of the options built into ProTour line of amps include a powerful DSP engine with sampling rates as high as 24-bit/96kHz and high-performance 24-bit analog-to-digital (A/D) and digital-to-analog (D/A) converters. Crest Audio explains that through the amplifiers’ internal DSP options, professional integrators have the ability to configure and optimize audio systems. DSP-based configuration options the amps offer include IR HP/LP crossover filters, RMS compressor, parametric equalization (EQ), alignment delays, and white and pink noise generators. At the heart of the ProTour line of amplifiers is a switch-mode power supply and Class D circuit that incorporates full-bandwidth PWM modulators that facilitate the amps’ operation with built-in circuit protection. The amps’ clip/limiter function provides output monitoring to prevent speaker damage with “gentle” gain reduction at clipping thresholds, as well as heat dissipation and overheat protection. Other options built into the amplifiers include user defined parameters, source input selection and loadable presets via the amps’ front-panel LCD screens, and Dante digital audio modules that enable primary and redundant network connectivity with the ability to monitor the products. The Crest Audio line of ProTour Amplifiers offer a choice of these models:
  • ProTour 8004d: 4-channel amp with 2,000 watts per channel into 4 ohms or 70/100-volt direct drive
  • ProTour 5002d: 2-channel amp with 2,500 watts per channel into 4 ohms
  • ProTour 4004d: 4-channel amp with 1,000 watts per channel into 4 ohms
  • ProTour 3003d: 3-channel amp with 1,000 watts per channel into 4 ohms
    Amplifiers
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