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LOXJIE A40 Class D Amplifier Headphone Amplifier
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Accessories for this product
Find here a selection of useful and/or essential accessories for this product. These are specially selected by the Audiophonics team according to the characteristics of the product.
LOXJIE A40 Class D Amplifier Infineon MA5332MS USB Bluetooth 5.1 Subwoofer 2x165W @ 4 ohm
With its A40, Loxjie has unveiled a powerful and versatile Class D amplifier. It can deliver up to 2x165W under 4 ohm thanks to its Infineon MA5332MS amplifier chip. Moreover, the Loxjie A40 comes with a variety of features, including a Bluetooth 5.1 reception chip, a phono input, a subwoofer output and an HDMI ARC port. This means you can link it directly to a vinyl turntable or enjoy the sound of your television in a 2.1-channel configuration. There are also two headphone outputs with 6.35mm jack and 4.4mm balanced jack. The Loxjie A40 is a highly versatile amplifier with quality components. Here are its several highlights:
- An Infineon MA5332MS amplifier chip and an output power of 2X165W @ 4 ohm (THD+1 <1%).
- CS43131 DAC/headphone amplifier chip for high-quality performance.
- Qualcomm QCC5125 Bluetooth 5.1 receiver chip supporting high-resolution codecs.
- NJW1194 low-noise, low-distortion volume controller.
- Full connectivity: phono input, HDMI ARC port, subwoofer output, headphone outputs, etc.
- Optical and digital inputs with MQA decoder and XMOS XU316 USB interface.
- 8 EQ presets and the ability to adjust bass and treble from -9db to +9dB.
- 5 digital filters.
- Remote control.
Loxjie A40: a high-performance chipset
The Loxjie A40 class D amplifier incorporates a MERUS MA5332MS amplifier chip, giving it an output power of 2x165W @ 4 ohm. A CS443131 DAC/headphone amplifier chip, XMOS XU316 USB interface and MQA decoder also enable it to support high-resolution sampling rates up to PCM 32bit 768kHz, DSD256 and MQA.
Loxjie A40: HDMI ARC port and subwoofer output
With the Loxjie A40, an HDMI ARC port and a subwoofer output allow you to enjoy a high-fidelity sound experience with your TV as the source and set up a 2.1-channel system for immersive bass. The A40 amplifier features a low-pass filter so you can connect it to an active subwoofer for punchy bass.
Loxjie A40: phono input
A phono input will delight vinyl fans who can enjoy their 33T and 45T collection by connecting their turntable directly to the Loxjie A40.
Loxjie A40 : Bluetooth 5.1
A Qualcomm QCC5125 Bluetooth receiver chip gives the A40 the ability to receive high-resolution codecs such as aptX, aptX Adaptive, aptX HD and LDAC. This makes it possible to stream music wirelessly from a smartphone, for example.
Loxjie A40: independent volume control
The volume control of the A40's headphone outputs or speaker terminals is controlled independently for greater convenience. This means that if you change the output mode, the volume level will change automatically.
Loxjie A40 overview
| 1 | Display |
| 2 | Headphone outputs: 6.35mm jack / 4.4mm jack |
| 3 | Multifunction button |
| 4 | GND terminal phono input |
| 5 | Phono RCA input |
| 6 | RCA input |
| 7 | SPDIF coaxial input |
| 8 | Subwoofer output |
| 9 | USB-C input |
| 10 | HDMI ARC port |
| 11 | Optical Toslink input |
| 12 | Bluetooth antenna |
| 13 | Right channel speaker terminal |
| 14 | Left channel speaker terminal |
| 15 | IEC power supply |
Technical characteristics
| Specifications | |
|---|---|
| Product type | Amplifiier / Headphone amplifier |
| Amplification chip | Infineon MERUS MA5332MS |
| USB interface | XMOS XU316 |
| Inputs | 1x RCA input 1x Phono RCA input 1x USB-C input 1x Coaxial SPDIF input 1x Toslink optical input 1x HDMI ARC port Bluetooth |
| Outputs | Speaker terminals 1x Subwoofer output 1x 6.35mm jack headphone output 1x 4.4mm balanced jack headphone output |
| Output power | 2x 165W @ 4 ohm 2x 85W @ 8 ohm |
| THD+N | 0.003% |
| SNR | 107dB |
| Channel separation | 98dB |
| Input sensitivity / input impedance | 280mW / 22kOhm |
| Bluetooth | 5.1 |
| Supported Bluetooth codecs | SBC, AAC, aptX, aptX Adaptative, aptX HD, LDAC |
| USB transmission | Asynchronous |
| USB compatibility | Windows 7 / 8 / 8.1 / 10 / 11 Mac OSX Linux |
| Supported sample rates | USB: 32bit 768kHz, native DSD up to DSD256, MQA Optical: 24bit 192kHz, DSD DoP64, MQA |
| General | |
|---|---|
| Power supply | 100-240V AC |
| Power consumption | 40W |
| Dimensions | 243 x 42 x 177mm |
| Weight | 1.61kg |
| Package | 1x Loxjie A40 amplifier 1x Bluetooth antenna 1x USB-A to USB-C cable 1x HDMI cable 1x Remote control 1x Mains power cable |
| Input | HDMI ARC |
| Input | USB |
| Input | XLR |
| Input | Optical |
| Input | Phono |
| Input | RCA |
| Input | SPDIF |
| Input | Bluetooth |
| Output | Jack 6.35mm |
| Output | Jack 4.4mm |
| Output | Speaker terminal |
| Output | Subwoofer |
| Color | Gray |
| Channel | 2.1 |
| Class | Class D / T |
| Amplifier chip | Infineon MA5332M |
| Power (W) | 165.0 |
| Remote Control | Yes |
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