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Custom custom XH-M543 high power digital amplifier TPA3116D2 audio amplification module double channel 2*120W Manufacturer

Custom custom XH-M543 high power digital amplifier TPA3116D2 audio amplification module double channel 2*120W Manufacturer

Regular price $18.06 USD
Regular price $18.06 USD Sale price $18.06 USD
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Features:

Using the digital power amplifier chip TPA3116D2 college D class operation, integrated CSR8635.4 version of the module.
Power amplifier chip with more than 90% of the power efficiency and low idle loss characteristics.
High-level modulation system configuration, advanced level reduces the number of components, integrated self-protection circuit,
including overvoltage, undervoltage, overheating, DC detection and short circuit protection, heat-resistant package.
transmission of about 10 meters, the use of the environment do not, transmission distance, if the DIY speaker, it is
best not to use the signal shielding material.

Specifications:

Product name: TDA3116D2 digital amplifier board
Chip type: TDA3116D2
module: BTM836 / CSR8635 (version 4.0)
Transmission distance: up to 10 meters (no interference blocking)
Supply voltage: DC12-24v
Supply current: greater than 3A
Output power: 120W * 2
Number of channels: 2-channel (high and low tone adjustment)
Power interface: 2.1 DC socket
Applicable speaker impedance: 4-8ohm
Digital amplifier size: 9.8 x 8 x 1.8cm
Case size: 10.8 x 9 x 2.2cm (L*W*H)

Package included:

1 x Digital amplifier board
1 x Acrylic box

Note:

Size may be slight inaccuracy due to different batches of the products, or hand measurement;
Color may be little different due to monitors. Please take real product as standard, thanks for your understanding!

How to solve the "hiss" on low volume and get the lowest gain? (share from a buyer from us)
this amp comes with a really high volume gain by default (36dB). You can see it by removing the radiator, and see R23 (47K) and
R28 (75K).
It is the highest possible gain by the Specs Sheet: Page 14:
http://www.ti.com/lit/ds/symlink/tpa3116d2.pdf
You need to open R28 and change R23 to 5.6K. This is what I did today and the result is amazingly positive:
- no hiss noise at all
- volume change is possible in smaller, finer steps
- starting / volume change beep is much more silent.
It is totally OK to listen to music silently and strong enough to make my 2*55W coaxial 6.5" woofers distort.


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