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S299 4Channel Bluetooth Digital Amplifier for Home/Car Speaker Audio Power Amp

Item description

Features
  • Unique output design and independent control: 4.0 channel can be divided into two groups of 2.0 channel outputs, and the volume of each group can be adjusted separately. And specailly design a low frequency output to connect active subwoofer, very convenient to build 2.0/2.1/4.0/4.1 channel system.
  • Rated 45W × 4 output power: supporst speakers with 4-8 ohm impedance, easily to drive most home & car & boat speakers, can give your entertainment system a boost, with unrivaled sound superiority and lets you enjoy high quality amplified audio.
  • Multiple audio inputs: besides Bluetooth5.0/stereo RCA/3.5mm AUX inputs, which can be compatible with ipad, cellphone, MP3 player, CD player, dataplay, computer, decoder, etc. Also with USB(U-disk)/SD Card/MMC Card inputs, easily to enjoy high-quality lossless music at home or on the road.
  • Perfect design with powerful function: with volume knob, treble and bass control, easy to get more delicate sound. Designed LED display to clearly show the working status in real time, and euipped with remote control, much easier to use, very suitable for indoor and outdoor audio system use.
  • DC 12V-14V working voltage suits many places: beside used in home desktop audio system, it also can be used in your car, your boat, your RV, your golf cart—anywhere you need a great amplifier with low distortion and acoustically accurate reproduction of music.

Parameters
  • Audio input: Bluetooth / USB(U-disk) / stereo RCA / 3.5mm AUX / SD & MMC Card
  • Audio output: raw cable speaker jacks / low frequency output (connect active subwoofer)
  • Bluetooth version:5.0
  • Number of channel: 4.0 (also support 2.0/2.1/4.1)
  • U-disk/SD/MMC supported formats: MP3 / APE / FLAC / WMA /WAV
  • Max. capacity of U-disk/SD/MMC: 64G
  • Max output power: 45W×4
  • Speaker impedance: 4-8Ω
  • Frequency reponse: 20Hz-20KHz
  • Distortion: <0.4%
  • SNR: ≥80dB
  • Treble and Bass control: supported
  • Remote control: supported
  • Working voltage: DC 12V-14V
  • Dimensions(W*D*H): 175*123*44mm / 6.89*4.84*1.73in
  • Net weight: 520g / 1.15lb
  • Package weight: 900g / 1.98lb

Warm tips:
 
For safer and faster delivery, the remote control may not include batteries (CR2025 3V), please prepare it by yourself.

Packing List
  • 1*S-299 Amplifier
  • 1*DC 12V Power Adapter
  • 1*Remote Control(without batteries)
Safe and secure payment by PayPal.
  • The items are located in US, and will be shipped within 1 working day, 2-6 working days to deliver.

Free Return Within 30 Days

We provide free return with 30 days for all items you bought on eBay, full refund and return shipping will be provided.

1-year warranty is provided for all items(Excluding: 1. Man-made damage or misuse. 2. Audio accessories and consumables such as vacuum tubes).

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Douk Audio / Nobsound Studio was founded in 2013 in Shenzhen CHINA, we own several brands including Douk Audio / Nobsound / Little Bear etc.
 
As a professional audio company, we are dedicated to design and produce the best products at the lowest prices to make HiFi affordable.
 
We will spare no efforts to bring great products and service for customers and extremely to improve our customers’ listening experience.
Please don't hesitate to contact us if you have any questions or comments about our items. And our working time is from Monday to Friday between 9:00 am to 06:00 pm(Beijing Time), which means we can keep on-line at:
 
 Working time

Beijing(CN)Monday-Friday09:00 AM - 18:00 AM
New York(US)
Sunday to Thursday08:00 PM - 05:00 AM
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During holiday, please allow us to response you early next week. Please don't leave any negative / neutral feedback or make dispute/claim on our non-working time, thank you for your understanding and cooperation.
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