AD 18 is a small full digital class d bluetooth amplifier built-in headphone amplifier supports subwoofer output.Connect it to your computer and use it to drive your headphones with an amplifier or to power your passive speakers(4ohm speaker produces 80Wx2 output power).Sophisticated matting aluminum housing reduces interference. Patented SDB sound and +-8 level treble and bass adjustment. Independent headphone amplifier design and advanced DSP technology makes the unit more desirable.
Amplifier Chip: Using TAS5508C for digital signal DSP processing and Pre-Amp.TAS5342A for digital signal rear-AMP. It will be through LC filter and then send to amplifier output jack.
Digital Receiving Chip:CS8422.It receive optical and coaxial signal and all signal transfer.
USB chip:TAS1020B. Supports stereo sound 24 bit/96 kHz.For much better sound, we use SDPI output instead of internal DAC output design. Strong anti-interference ability and More High-Fidelity.
HP Amplifier Chip:MAX97220A. Dual-OP amplifier:NE5532 with High efficiency low noise.
Analog/Digital converter IC :CS5341,Accurate to 24 bit 48kHz.Convert AUX signal to digital signal. Then digital signal processing by CS8422
Type: Full digital decoding amplifier
Input port: USB/AUX/3.5mm Coaxial and Optical 1/Bluetooth/Optical 2
Output Port: Amplifier output port/3.5mm Headphone port/Subwoofer
Output power:80W x 2
SNR(Signal to Noise): 90dB
Output consumption: 50W
EQ adjustment: 7
Headphone output(32ohm): 53mW & THD=0.04%
USB sampling rate: 24bit 96kHz
Optical sampling rate:44.1kHz-192kHz
Coaxial sampling rate:44.1kHz-192kHz
Treble adjustment range: ±8db,Bass adjustment range:±8db
Net Weight: 572g
Machine Size: 172*51*85mm
QUESTIONS & ANSWERS
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- All items will be shipped out within 1~ 3 days after payment except prominent note on the page for pre-sale items. If we cannot, we will let you know new shipping date at once after the payment and cancellation is available if you cannot accept that.
- We ship all items at free charges through Registered Air Mail with a tracking number except you choose others.
- DHL/UPS/EMS as a faster shipment option with additional charge is available.
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Delivery Lead-Time for Express Service
If you chose Express service with extra charges which is US$20-25 usually, it will be shipped out by DHL or EMS (eg. 3-5days to the US or Europe, 3-4 days to Japan, 5-7days to Russia by EMS etc.) Pls note: There will be additional charges around US$ 35 for remote area. If you are not sure about whether your area is remote, write us for promopt reply.
Delivery Lead-Time for Free shipping
Q: When will you ship out the cargoes after payment?
A: Within 1 - 3 days except prominent note on the page for pre-sale items. If we cannot ship out in 1~ 3 days, we will let you know new shipping date at once and cancellation is available if you cannot accept that.
Q: I got a shipping confirmation and tracking number. Why don’t I have tracking information listed immediately?
A: Since shipping process involves multiple steps of coordination between internal and external parties, it doesn’t happen instantly. Usually tracking information will be listed on the next day of shipping confirm notification email/SMS.
Q: Why tracking information is not updated for a long time?
A: Usually it is on the way to your local country, pls be patient. If it is not updated a few days after arriving in your country, pls try to contact us or the carrier for additional information.
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