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Home > Products > USB DAC/Amplifier/Pre-Amplifier/Sub-Woofer > TI TPA3118 12V 24V 25W+25W 2-Channel Digital Audio Amplifier 50W PBTL Bridge
TI TPA3118 12V 24V 25W+25W 2-Channel Digital Audio Amplifier 50W PBTL Bridge
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TI TPA3118 12V 24V 25W+25W 2-Channel Digital Audio Amplifier 50W PBTL Bridge

RM48.00  
Item details
SKU: 0668-TA3118 N1
Weight: 300 grams
Stock: Stock available

Brand: IOlines Network
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Description
  • This amplifier board adopts a volume potentiometer with switch as its volume & Power On / Off control
  • Power LED Indicator
  • Supports 6V 12V 18V 24V DC power supply,
  • Supports for parallel bridge (PBTL) 50W mono output (DIY soldering at back of PCB)
  • Supports low-impedance speakers which compatible with  most speakers in the market.
  • Dual audio input option
Specification
  • Dimension:50mm*75mm*29mm(W*D*H)
  • Operating voltage:6-25V DC
  • Power supply current requirement is greater than 3A, power supply with current 4A or above recommended)
  • (note: the voltage is not greater than 25 v else will damage the board)
  • Speaker impedance:4-8Ω 2-4Ω(PBTL single track)
  • Maximum output power:25W/4Ω(left track)+25W/4Ω(right track)
  • Audio input connector: standard 3.5MM or 3Pin audio input jack
Product Characteristics
  • The board use TI company TPA3118 high power amplifier IC.
  • Power input connections: Screw terminal block
  • Power supply using two large capacitor.
  • Audio input connections: standard 3.5mm audio line input socket, or from 3 pin input audio socket (cable Optional).
  • Support low impedance speaker: Wide power inout range 6-25V DC

Output power:
Tip: The output power are related to audio input level, the power supply voltage/current. Different speakers have different power output impedance, please take note!
Supply voltage with stereo 2 channel output:

  • 12 v
    • Ω speaker /12w(left channel) +12w (right channel)
    • Ω speaker / 20w (left channel) + 20 w (left channel)
  • 15 v ^^ 8 Ω speaker / 18 + 18 w, 4 Ω speaker /greater than 22 + 22 w
  • 19 v ^^ 8 Ω speaker  / 25 + 25 w, 4 Ω speaker /greater than 28 + 28 w
  • 22~24 v ^^ 8 Ω speaker  / 28 + 28 w

Supply voltage with PBTL Mono output: (If power supply <20V recommended use 3/4Ω Speaker else >20V use 8Ω speaker )

  • 12 v ^^ Ω speaker /30w
  • 15 v ^^ 3 Ω speaker /43w
  • 19 v ^^ 3 Ω speaker /60w
  • 22~24 v ^^ 8 Ω speaker /45 w

How to Bridge Output PBTL

  • Disconnect soldering point of S1, Connect soldering point S2 to S6
  • Connect your speaker (+) to Lout(-)
  • Connect your speaker (-) to Rout (-)

Note: Please read the product introduction.You must have some knowledge of electronics, before use must first be familiar with the board's connection, Double check connection, do not over voltage, overload, short circuit, etc. may burn out key parts.


Wiring method suggestion:
Connect speaker first, audio input line, confirm the correct wiring and all connection must be fixed securely (loose cable connection likely to cause a short circuit), finally turn on the board. Do not make any cable connection / changes after power on, Switch off power if you need to do so.
The speaker output "+" "-" line is independent, not sharing common (-)

Included
  • 1 x Amplifier board with Knob **(Knob Color may different from batch to batch
Shipping 
  • Postage Method: POSLAJU
  • Item usually will be post out same day / next working day (depends on Pos laju collection schedule) if payment verified before 12pm except there is special announcement.
  • Suitable for use with 5.5mm*2.1mm DC Power Plug 
  • Material: Copper + Plastic
  • Rated Load: 30V DC 0.5A
  • Insulation Resistance: ≥100MΩ
  • Mounting type: Panel Mount
  • Parcel usually will be arrive within 1-3 working days EXCEPT: P.O.Box, rural area and unexpected delay by pos laju or missed delivery, addresee unreachable, etc.
  • Please take note that we can't guarantee delivery date due to delivery service provide by third party (Courier Service) and it's out of our control
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