Product reviews FX AUDIO 2.1 Channel Bluetooth Amplifier for Passive Subwoofer 100Watt x2 TPA3116 NE5532 Class D Amplifier with Bass and Treble Control Mini HiFi Stereo Home Audio Wireless Amp RCA/AUX Input DC 24V/4A
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only with $69.90
| Item Dimensions LxWxH | 5.2 x 3.23 x 1.18 inches |
| Voltage | 24 Volts |
| Manufacturer | FX AUDIO |
| Brand | FX AUDIO |
- ♪ BASS&TREBLE CONTROL— You can control the volume of the subwoofer via bass adjustment knob (bass knob not work for left and right channels).The cutoff point for the bass is 180H.Treble adjustment knob only control the treble volume of the right&left channels. Gain adjustment range is -6dB to 6dB.
- ♪ CONNECT PASSIVE SUBWOOFER—Expect connecting the left and right channel,the Bluetooth amplifier also can connect passive subwoofer,mainly enhance the bass area and give audiophile more choices.There isn’t any affection for 2 channels when you connect the passive subwoofer.
- ♪ BLUETOOTH 4.0 FUNCTION—The stereo Bluetooth amplifier adopts high-quality Bluetooth chip CSR8635,you can connect the Bluetooth device within 10m barrier-free distance.The audio amplifier is compatible with all Bluetooth devices,such as smartphone,laptop,Bluetooth speaker and so on.
- ♪ CONNECT MULTIPLE AUDIO EQUIPMENT—Via BT,RCA and AUX 3.5mm input interface,the optical audio amplifier can connect many audio source devices,including mobile phone,TV,laptop and CD/DVD;You can connect passive subwoofer and passive speaker to output.
- ♪ HIGH-END CHIP—The audio power amplifier adopts high-end chips combination,such as teax amp IC (TPA3116),Bluetooth IC (CSR8635),op IC(NE5532) and STM8 MCU control.XL-2.1BL Class D amplifier synthesize better amplifier performance and improve cost performance;Package include:1 x XL-2.1BL;1x 24V 4A power supply；1x 3.5mm AUX cable;1x RCA cable；1 x 3dB Bluetooth antenna .
Product Description
Bluetooth 4.0V
Specification
Chipset: TPA3116D2 + CSR8635
Power Output : 50W+50W + SUB 75W @4Ω,25W+ 25W + SUB 40W @ 8Ω
Interface Input : BT, RCA, AUX
Interface Output: Speaker +Sub
Impedance : 4-8Ω
THD :0.03%
SNR : 103dB
Operated: Button and Front Panel Volume Control
Power Supply DC: 24V 4A
2.1 Channel Class D Digital Amplifier
Bluetooth IC CSR8635
This Bluetooth chip CSR8635 is a Bluetooth rom audio solution,can rapid evaluate the application of Bluetooth ROM stereo,provide strong and flexible HiFi Bluetooth stereo.
- 2.1 Channel class D amplifier
- Bluetooth 4.0 and use BT IC(CSR8635)
- Bass volume control independently
- Treble volume control independently
- Connect passive subwoofer speaker
- Teax Amp IC TPA3116
- OP IC NE5532
- MCU STM8 control
Feature
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2.1 Channel Power AmplifierThe Bluetooth amplifier for home stereo can connect 3 speakers,including the left&right channel of passive speaker and passive subwoofer. The subwoofer amplifier home audio process the digital audio signals of channel width modulation (PWM). The sound information is buried in the duty ratio or density of the pulse. Its feature is small distortion, low noise, large dynamic range and strong shock power of low frequency. | Bass&Treble AdjustmentThe home amplifier with Bluetooth has bass & treble/volume control knob on the front panel,you can adjust the bass volume of subwoofer separately.The cutoff point for the bass is 180H.Treble adjustment knob only control the treble volume of the right&left channels. Gain adjustment range is -6dB to 6dB. | Wide CompatibilityVia BT,RCA and AUX 3.5mm input interface,you can connect multiple audio source devices,including smartphone,smart TV,PC,laptop and CD/DVD and compatible all device Bluetooth equipment.Output you can connect the passive speakers and passive subwoofer. |
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Teax Amp IC TPA3116The Amp IC TPA3116 series are stereo efficient, digital amplifier power stage for driving speakers up to 50Wx2, SUB 100W@4Ω . | Op Chip NE5532The Op chip NE5532 is a double op am and high performance low noise amplifier chip.It has better noise performance and improve output driving force and signal,especially suitable for professional audio equipment. | STM8 MUC ControlSTM8 MUC control realizes the dynamic control of power amplifier output under the condition of wide dynamic range of input signals to ensure that the loudspeaker is not damaged due to overpower operation.And it avoids the problem that digital control system needs to rely on high sampling rate for analog signal control, as well as realizes the real-time detection of speaker power. |
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|---|---|---|---|---|---|
| XL-2.1BL | D802CPRO | FX502SPRO | FX1002A | D2160 | |
| Chip Type | TPA3116D2 + CSR8635 | STA326 + S & PDIF AK4113 + Audio Controller / CM6642+ CSRA64215 4.2 + NFC + ADC Wolfson WM8782S | TPA3250 | TDA7498E | TAS5614 + MCU STM32 + DSP TAS5548 + PCM1808 + AK4118 + CM6642 + CSR8675 + MAX9722 |
| Specifications | Digital amplifier with subwoofer output; Power output :50W + 50W +100W@4Ω, 25W+25W + 50W@8Ω | Full class D digital power amplifier ;Power output :80W+80W @ 4Ω;50W+50W @ 8Ω | Digital amplifier which can be used with tube preamplfiier ;Power output : 50W+50W@4Ω, 25W+25W@4Ω | Digital amplifier which can be used with tube preamplifier ;Power output: 160W+160W @4Ω, 80W+80W@8Ω | Full class D digital poweramplifier with headphone output ;Power output :150W+150W @ 4Ω；110W+110W @ 8Ω |
| IR Remote | NO | ✓ | NO | NO | ✓ |
| Bass & Treble | ✓ | DSP Bass/Treble | NO | NO | ✓ |
| Bluetooth | CSR8635 Bluetooth 4.0 | CSRA64215 Bluetooth 4.2 | NO | NO | CSR8675 Bluetooth 5.0 |
| Headphone Amplifier | NO | NO | NO | NO | ✓ |
| Input | BT, RCA, 3.5mm AUX | BT, AUX, Optical, Coaxial, PC-USB | BT(Smartphone,PC/Laptop, CD/DVD) | RCA, BT(Smartphone,PC/Laptop, CD/DVD) | BT, AUX, Optical, Coaxial, PC-USB |
| Output | Speaker R/L +Sub | Speaker (R / L ) | Binding post(4Ω-8Ω passive Speaker) | Binding post( 4Ω-8Ω passive Speaker ) | Speaker R/L, 6.35mm headphone output |
| SNR | 103dB | 92dB | 84dB | 77dB | 106dB |
| THD | 0.03% | 0.2% | 0.1% | 0.07% | 0.02% |
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