Specification
Brand:Aiyima
Chips:TPA3110d2
Voltage: DC9-24V
Current: 6A MAX ,0.05A Static
Gain: 26db (Max)
Total harmonic distortion (THD + N): ≈ 0.08%
Preamp channel power: 15W * 2
Bass channel power: 30W
Input impedance: 120Ω
Output impedance: 4Ω / 8Ω
Frequency points: 120Hz
Signal to noise ratio: 96db
Feature:
1.Are you Still use cheap TDA2030 3 * 8W amplifier? Please try our digital amplifier absolutely received unexpected good results. It's generally enough if you listen songs and watch movies with 60W Power amplifier board.Sound already very loud if half open sound Potentiometer for 2.1 computer speakers use. High and low tone independent adjustment. LoZ low impedance input, greatly suppress the noise. There will be not big noice if use general audio cable floating. High-power speakers recommended, the high power the better the effect.
2.High efficiency, overheat protection.Power supply supports DC and AC, and DC is connected between any AC and GND (AC is positive). AC support Double 9V-Double 16V. DC voltage is 9V-26V universal, the voltage can not be higher than 26V.
3.Use United States imported TPA3110D2 chip, not refurbished domestic, the former op amp with two Texas Instruments audio dedicated op amp NE5532, use fully sealed potentiometer, the cost is much higher than the ordinary potentiometer, using a large number of high-frequency low-resistance chip , Greatly reducing the power supply resistance, chip capacitors are all imported multi-layer ceramic capacitors, internal resistance is minimal. The output terminal using the transmitter terminal, wiring will not be bad contact.
4.XH2.54 & 3.5mm input, suitable for mobile phones, computers, CD players and other audio sources.
5.90% of the amplifier parts with all-chip lead-free environmentally friendly SMT production process, consistency is very good, a large number of stocks.
Now widely used in high-end computer speakers
5.Send three identical knobs (color send randomly)
6.PWM switching modulation technology, with imported LC low-pass filter to eliminate EMC, in line with FCC standards. All-digital PWM output, advanced and non-inductive design (with BOSE C5 speakers using the same type of technology), the focus of PWM can be a variety of frequency divider, compared with the traditional analog amplifier greatly reduced internal resistance, sound quality improved significantly.
1. Amplifier board has current sound and noise during use
Most of our amplifier board use DC power supply. The board itself does not produce current sound and noise.
The main causes of current acoustic noise are:
A, The power supply filter used is not good; the current sound is caused by wrong input by the power or audio input.
B, The input signal quality is poor; the output of the device connected to the input is improper, and the noise is caused by the abnormal input of the audio source.
C, The input cable is of poor quality; the line is in poor connect; the wiring is damaged; the wiring is suspended
D, The input connection has other playback devices, and some devices share the power supply to cause noise.
2. No sound output, no sound in 1 channel?
A, The speaker is broken, or the speaker cable is not connect well.
B, The input cable is not in good connect; the wiring is damaged; the output of the device connected to the input is improper.
3. Volume broken and breaking sound when turn loud?
A, The power input is insufficient, confirm the wiring is correct first, and the supply current is sufficient,
B, The speaker itself has poor performance or damage, and the speaker power is too small or too large.
C, left and right channel speakers (+) (-) output are independent, can not be connected to each other
4. Speaker broken sound when subwoofer amplifier volume turn loud ?
A, The power input is insufficient, first confirm the wiring is correct, the supply current is enough
B, Whether the power of the speaker itself is too large or too small, or the bass performance of the speaker itself is poor; the structure of the speaker box; these abnormalities will cause breaks.
5.The volume power is not enough?
Power and power supply voltage, the amplitude of the sound source signal, the size of the speaker impedance are all related, any kind of deficiency will affect the power
6. Will the amplifier be burnt?
A, The positive and negative poles of the power supply are connected reversely; the power supply voltage is too high, exceeding the limit operating voltage of the board
B. If the board requires a DC power supply, it is not allowed to connect directly the AC transformer power supply (this can be rectified and converted to DC power before it can be used)
C. To confirm that the wiring is correct, then connect with the power supply. The wrong line connected or the short circuit both will cause damage to key parts.
1. PayPal payment accepted only.
2. Items will be shipped to your eBay address. Please make sure it is correct.
3. Payment must be received 4 days after auction ended.
1. Customer satisfaction is our top goal. We believe our items are so outstanding. All products are quality checked. They are new and in good condition when shipped to our customers. We are convinced you will be happy with your Purchase.
2. If product is defective or damage upon arrival, or wrong product shipped, please contact us immediately. Returns accepted within 14 days of delivery date and item must be in original new condition, not worn or altered in any way with attached tags & wrap. Otherwise deal is final. Return shipping must be paid by buyer.
3. Please contact us first if you have any problems/questions/concerns. We will be happy to resolve any issues you may have in a cordial and friendly manner.
4. We appreciate your Postive Feedback, and will do the same in return. DO NOT leave negative feedback without first communication with us. Please allow max 2 business days for us to response.
When you satisfied with our product and services please leave us positive feedback.
If a problem occurs, contact us immediately with any email request. Just contact us using the " Ask the seller a question" link on eBay.
On 05-Mar-21 at 03:05:11 GMT, seller added the following information:
On 05-Mar-21 at 03:23:15 GMT, seller added the following information: