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A dual 31-band equalizer is built with innovative technology and advanced production technology. With advanced circuit design and high-quality components, it can achieve a frequency response of 10Hz-50KHz, a signal-to-noise ratio greater than 90dB, a total harmonic distortion less than 0.005% and a channel isolation greater than 90dB. Moreover, it boasts built-in power supply, hard-wired relay bypass to turn off the power, and two-second power-on delay. Its intuitive design can meet the needs of most sound reinforcement projects. It has simple and intuitive controls. Thanks to built-in DSP memory chip, you can pre-store 10 modes for calling. Press SAVE button lightly, and you can turn knobs CONTRO or GAIN to choose any mode from 1-10. Featuring balanced input and output for low-noise work, chassis/signal ground suspension function eliminates AC noise.
Technical Parameters:
- Power supply: 220V/110V
- Sound transmission gain: 1dB or 11dB
- Line input impedance: 15KΩ
- Line output impedance: 300Ω
- Total harmonic distortion + noise: - Signal to noise ratio: 82dB
- Power consumption: 30W
Mario Cardoso
2025-09-07 13:35:40
Muy bonito
Owen Shaifer
2025-08-22 19:51:17
Generally good but not the standard rack size. It will fit in a rack side to side but is 3/32" top and bottom, making this "2U" unit 3 11/16" instead of 3 1/2", so you lose the spaces above and below. This "2U" unit will effectively be a 4U unit taking up 4 rack spaces instead of 2 with two big gaps in your otherwise clean setup.
Nathan Tran
2025-08-10 15:35:47
Great products. Sound great. Great invent
Cheryl P.
2025-07-15 14:34:53
PROS:Keeps its promises: 31-band equalization, 10 preset settings, very low background noise.Once the settings are configured, it works great. Many possible connection choices on the rear panel.Good value for the money.CONS:The setting is a bit awkward to make. There is a very short timeout so if you have a slight indecision in entering the parameters, the system will soon exit from the setting mode. Furthermore, it is not easy to be able to view the value of the parameters previously set.The two rotary knobs, with digital clicks, occasionally miss a beat or modify the parameter in the opposite direction to that intended, causing a slight frustration; However, it seems to be more of a firmware problem than a hardware problem to me.When you switch the unit off, there is no auto muting system for the outputs, and a loud click is heard.
Samuel D.
2025-07-03 13:22:23
2nd or 3rd time turned on....no longer working....one side would not work...had to return...
Cinjero
2025-06-21 17:08:23
Equipment can support both RCA (stereo) and more hardcore stage cabling. Pretty straightforward setup although I found the power cord (to the eq.) to be suspect as it isn't exactly snug, but no worries. Some reviews of non-real-time or not true analysis I don't find true... when the phono was started, and bars danced along :-) There is a delay, but I see it more as an effect rather than a fault, and finally yes having some ambidextrous skills is useful in setting the eq to your liking but just something to learn. I would say the reaction to knob changes is a tad wankie where as it could be improved for a better smooth feel and touch. Otherwise great product, solid, and recommended as an EQ and spectrum analyzer.
Camcordermachine
2025-06-17 17:26:56
I was hoping to get a display for each channel, but the channels are the same response. Its also not a linear system, seems more random on the frequency response.. It picks up harmonics on pure sine tones. A bit expensive for the price. but does give some feedback on general frequency.
Tommyteej
2025-04-22 15:19:16
TKL T2531 Professional Graphic Equalizer Audio Processor. Tested it out and sent it back the next day. Not a stereo unit, the left and right react the same no matter what. If you put a signal in just the left input, both upper and lower LEDs react the same. If you put a signal in just the right input, both upper and lower LEDs react the same. Frequency sweep shows that the frequency LEDs do not respond as they should, the 20-63 Hz leds all react at the same time evenly as if they are tied together. As you move up in frequency, the response is messy and when you get close to 20k Hz, there is a ton of noise represented in the entire spectrum. In my unit, the memory function does not work. When you turn off and on again, the memories are cleared. For those looking for just a cool visual display, this unit is a bit appealing. I would never us this as an equalizer. I wanted to like this unit, because it does have a nice look to it. Too bad the designer skimped on so many issues. Return it!
Gabriel Sánchez Orozco
2025-02-03 16:01:00
Es muy caro y poco profesional no sirve
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