Pre-sales and after-sales whole process tracking to freecustomers from worries.
Professional power amplifier, professional sound box, professional karaoke equipment, professional peripheral products and conference system, microphone and mixer, etc
Guangzhou strong rhyme electronic co., LTD. We regularly organize the KTV sound engineer technical training every year and invites well-known, explain the acoustics knowledge, a professor at the university of training listening evaluation, entertainment products, entertainment technology of real ZhuoBang each technical training, not only PPT, more field interaction with the students, not only can learn knowledge, but also a audio-visual feast.
Pre-sales and after-sales whole process tracking to free customers from worries.
The important subjective feeling in the frequency domain is pitch. Like loudness, pitch is also a subjective mental quantity of hearing, which is the attribute of hearing to judge the pitch of sound. The difference between tones in psychology and scales in music is that the former are tones of pure tones, while the latter are tones of complex sounds such as music. The tone of compound sounds is not simply frequency resolution, but also a function of the auditory nervous system, which is influenc
The important subjective feeling in the frequency domain is pitch. Like loudness, pitch is also a subjective mental quantity of hearing, which is the attribute of hearing to judge the pitch of sound. The difference between tones in psychology and scales in music is that the former are tones of pure tones, while the latter are tones of complex sounds such as music. The tone of compound sounds is not simply frequency resolution, but also a function of the auditory nervous system, which is influenc
In recent years, with the development of digital audio technology, the price of digital audio mixer tends to be popular, quickly set off the tide of digital audio mixer. In this trend, the major manufacturers continue to innovate, developed different levels, different forms of digital mixer.
In the process of spreading sound, sound box is suddenly silent, because the power amplifier on the output channel is overloaded, fast fuse fuse is broken, replace the fast fuse fuse of the same capacity below this kind of circumstance, reduce the level of power amplifier input signal, can restore normal operation. If the speaker is still silent after replacing the fuse, do not check whether there is a signal from the front equipment. Use the jumper method, that is, skip the previous device, the
1, the sensitivity of loudspeaker of left and right channel sound box is inconsistent, can pass the method that adjusts left and right channel each output level, make sound box sound box is close to agree. 2, left and right channel output power signal is not balanced, can be left and right channel on the input, output gain of various devices in the approximate same index value. 3, often appear sound source left and right sound channel of the average volume level is different, sound box to
Professional power amplifier, professional sound box, professional karaoke equipment, professional peripheral products and conference system, microphone and mixer, etc
Maintaining the interests of customers, adhering to the principle of honest service, customer satisfaction is our greatest pursuit.
Our company sells products with general quality problems. We promise free warranty for three years. During the three-year free warranty period, we are responsible for free replacement of vulnerable parts (except man-made), hardware and daily maintenance of products.
Service Hotline
+8618818860685
To achieve telephone response within half an hour; to send technicians to the scene within one hour to guide and solve the problem; if the same quality problem of the same product occurs more than twice in a three-year warranty period, our company will replace the same type of brand-new equipment for Party A within 72 hours. During the warranty period, our company can provide the spare equipment for the relevant bidding products, which can be used as e
Service Hotline
+8618818860685
Maintenance, maintenance and replacement of spare parts are only subject to cost charges and are not higher than the lowest price of similar products in the domestic market at that time. Provide long-term technical information and support; In the absence of hardware, the tenderer will be provided with upgrade software free of charge.
Service Hotline
+8618818860685
Four equipment patrols per year; Two major events a year to escort, if necessary on call; On-site response time of after-sales service is 1 hour. Lifelong Product Maintenance and Upgrade
Service Hotline
+8618818860685
TEL：+8618818860685
MP：+8618818860685（Grace）
NO.437-439,shicen Road, Longhu community,Baiyunhu Street,Baiyun District , Guangzhou,Guangdong, China
FAX：020-62118573
E-MAIL：gzyunqiang05@gzyqelec.com
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