Product Description
Product Parameters:
Packing Lists:
– 1 * XL-2.1BL Digital Amplifier
– 1 * DC 24V 4A Energy Cable
– 1 * AUX to RCA cable
– 1 * RCA Cable
– 1 * 3dB Bluetooth Antenna
– 1 * Person Guide
Chipset: TPA3116D2 + CSR8635 + MCU STM8 + NE5532
Energy Output: 50W+50W + SUB 75W @4Ω, 25W+ 25W + SUB 40W @ 8Ω
Interface Enter: BT, RCA, AUX
Interface Output: Passive Speaker +Subwoofer
Impedance: 4-8Ω
THD: 0.03%
SNR: 103dB
Energy Provide DC: 24V 4A
FX-AUDIO-
XL-2.1BL Class D Digital HiFi Residence Audio 2.1 Channel Amplifier
This XL-2.1BL Class D digital amplifier is designed to amplify enter audio sign and transmit to passive audio system or passive subwoofer audio system, offering max 50W+50W energy for L/R passive speaker and max 100W for subwoofer passive audio system output. Good in your house theater leisure. Music would preserve clear, pure and with low noise.
Bluetooth 4.0 amplifier stereo audio amp receiver
2.1 channel Bluetooth digital amplifier with subwoofer output
Aluminum alloy metallic oxidation shell, 1.6mm yellow immersion gold RF4 PCB board
3 Inputs Elective: Bluetooth, RCA, AUX (3.5mm)
Outputs: L/R passive audio system and subwoofer passive speaker
Bass, treble and quantity could be adjusted
Bluetooth 4.0 wi-fi connectivity
Lengthy press ON/OFF button to energy on/off, brief press ON/OFF button to decide on enter modes
Bass, Treble and Quantity Management
The stereo HiFi digital amp has 3 rotary knob for mastering quantity, bass, treble changes. Bass knob for separate subwoofer adjustment. Bass cut-off level 180Hz. Treble knob can solely regulate the treble of the left and proper channels, and the acquire adjustment vary is -6dB to 6dB. Quantity knob controls important quantity.
Further Passive Subwoofer Output
The multifunctional 2.1 channel system Bluetooth stereo amplifier not solely helps L/R passive audio system, but in addition helps passive subwoofer in order for you highly effective bass impact. Passive audio system hook up with gold-plated binding publish. Passive subwoofer connects to subwoofer output interface. It’s excellent in your house theater acoustic sound system, allow you to take pleasure in enhanced amplified acoustic audio copy.
Chip TPA3116+NE5532+STM8+CSR8635
Amp chip IC of the Bluetooth house audio amplifier adopts Teax TPA3116, which is in small measurement however with excessive energy. It presents music with rousing highs and deep lows. Lower than 0.03% distortion ends in outstanding readability. OP IC NE5532 has low noise efficiency, wonderful output drive functionality and fairly excessive small sign bandwidth, broad energy provide voltage vary and different traits. When used for audio amplification, sound is heat and excessive constancy. MCU chip makes use of STM8.
When Bluetooth not working or cannot pair with this amplifier
1. To start with, please ensure that the Bluetooth of your audio enter gadget is turned on, brief press the ON/OFF button to modify to Bluetooth enter.
2. If Bluetooth cannot be paired efficiently, disconnect the Bluetooth connection, delete this Bluetooth on the gadget, and attempt to join for a number of instances.
3. If it nonetheless would not work, attempt one other Bluetooth-enabled audio gadget to reconnect to this amplifier.
If all of the strategies doesn’t work, please kindly let me know for additional answer.
The mini Bluetooth amplifier adopts CSR8635 Bluetooth chip, with top quality sound high quality and good compatibility. Extensively utilized to Bluetooth-enabled sensible units, like smartphones, laptops, computer systems, pill PC, sensible TV, MP3, and so forth. Wi-fi connection can preserve secure sign transmission. Please screw the Bluetooth antenna earlier than use.
Chip Kind
TPA3116D2 + CSR8635
STA326 + S & PDIF AK4113 + Audio Controller / CM6642+ CSRA64215 4.2 + NFC + ADC Wolfson WM8782S
TAS5614 + MCU STM32 + DSP TAS5548 + PCM1808 + AK4118 + CM6642 + CSR8675 + MAX9722
TPA3250
TDA7498E
Specs
Digital Amplifier with Subwoofer Output Energy Output: 50W + 50W +100W@4Ω 25W+25W + 50W@8Ω
FULL Class D Digital Energy Amplifier Energy Output: 80W+80W @ 4Ω； 50W+50W @ 8Ω
FULL Class D Digital Energy Amplifier with Headphone Output Energy Output: 150W+150W @ 4Ω；110W+110W @ 8Ω
Digital Amplifier which can be utilized with tube preamplfiier Energy Output: 50W+50W@4Ω 25W+25W@4Ω
Digital Amplifier which can be utilized with tube preamplifier Energy Output: 160W+160W @4Ω 80W+80W@8Ω
IR Distant
NO
YES
YES
NO
NO
Bass & Treble
YES
DSP Bass/Treble
YES
NO
NO
Bluetooth
CSR8635 Bluetooth 4.0
CSRA64215 Bluetooth 4.2
CSR8675 Bluetooth 5.0
NO
NO
Enter
Bluetooth, RCA, 3.5mm AUX
Bluetooth, AUX, Optical, Coaxial, PC-USB
Bluetooth, AUX, Optical, Coaxial, PC-USB
RCA (Smartphone, PC/Laptop computer, CD/DVD)
RCA (Smartphone, PC/Laptop computer, CD/DVD)
Output
Passive Speaker R/L + Passive Sub
Passive Speaker R/L
Passive Speaker R/L, 6.35mm headphone output
Passive Speaker R/L (4Ω-8Ω passive Speaker)
Passive Speaker R/L ( 4Ω-8Ω passive Speaker )
SNR
103dB
92dB
106dB
84dB
77dB
THD
0.03%
0.2%
0.02%
0.1%
0.07%
Voltage Enter
DC Energy Provide 24V 4A
DC Energy Provide 32V 5A
DC Energy Provide 36V 6A ( Each energy provide alternative)
DC Energy Provide 24V 4A
DC Energy Provide 32V 5A
【A number of Enter Choices】 This Bluetooth stereo amplifier helps AUX/ RCA/ Bluetooth enter. Bluetooth chip makes use of CSR8635. Suitable with most Bluetooth units: sensible telephones, pill PC, laptops, TV, projector, and so forth. Brief press ON/OFF button to modify enter modes
【2.1 Channel Amplifier with Subwoofer Output】 This Class D digital amplifier helps passive subwoofer & L/R passive audio system output which varieties 2.1 channel system. L/R passive audio system has max 50W+50W energy output. Passive subwoofer has max 100W energy
【Constructed-in Chip】 The house audio amplifier makes use of Teax IC TPA311, CSR8635 Bluetooth chip, OP IC NE5532, MCU chip STM8. Bundle consists of XL-2.1BL house built-in mini amplifier, 1 x RCA cable, 1 x 3.5mm AUX to RCA cable, 1 x DC 24V 4A energy cable, 1 x 3dB Bluetooth antenna. You probably have any high quality issues about our merchandise, please be happy to contact us by emailing us
【Bass, Treble and Quantity Management】 The passive subwoofer amplifier equips separate subwoofer adjustment knob. Bass cut-off level 180Hz. The treble knob adjustment knob can solely regulate the treble of the left and proper channels, and the acquire adjustment vary is -6dB to 6dB. The amount knob controls the overall quantity. It’s a nice desktop audio energy amp with low distortion and acoustically correct copy of music
