Note:When connect extra PWR power control switch to control the X400 board kit, please remove the jumper cap on the PWR (on the X400 board beside the 3.5mm jack headphone), or the power switch will not work normally.
Audiophile TI Burr Brown 32-bit/384kHz DAC (TI PCM5122)
Class leading audio; 112db SNR, and THD of 0.0019%
Built in High quality Class-D stereo audio amplifier (TI TPA3118D2)
Up to 2×30W Into a 8-Ω BTL Load at 24Vdc
Capable of driving 4 Ohm speakers (also works with higher impedance speakers)
Built in high quality audio headphone amplifier (TI TPA6133A)
Uses the Texas Instruments ultra-low-noise voltage regulator (output noise< 10μVRMS)
Uses the Texas Instruments high efficiency step-Down DC converter (up to 95%)
6V~26Vdc converted to 5.1V, 3A to power the Raspberry Pi
Uses the genuine ALPS RK163 series potentiometer for smooth volume adjustment
Built in high quality IR sensor (Vishay -the world's leading supplier of infrared receivers)
Onboard RCA connectors
Onboard 3.5mm stereo headphone jack
Onboard speaker & power screw terminals
Onboard 4pin PH2.0 connector allowing to connect a external lighted power switch to control power
Onboard gold-plated high-current DC power jack (5.5x2.5mm)
Uses the digital I2S audio signals to reduce CPU load over USB audio solutions
Connects directly to the Raspberry Pi - No wiring required
Powers the Raspberry Pi - no additional power supply
Reserved Raspberry Pi GPIO pin header (2x13Pins)
Pop-noise can be improved by enabling GPIO control
AMP can be enabled / disabled with jumper link
Metal Case with Power Switch for Raspberry Pi X400 V3.0 & Raspberry Pi 4 There are two types of X400 Cases, X400-C3 and X400-C4, X400-C3 Case is for X400 V3.0 & Raspberry Pi 3B+/3B, X400-C4 Case is for X400 V3.0 & Raspberry Pi 4. This case is X400-C4.
Key Features: - Match with raspberry pi 4 and X400 V3.0, not support other raspberry pi board - All ports and slots of the case can match with Raspberry Pi 4 and X400 well - Exhaust holes surface can reach good heat dissipation - Equipped with beautiful metal latching power switch to control the X400 V3.0 DAC board and raspberry pi 4 model b - Equipped with a Geekworm Embedded Heatsink and cooling fan kit, provide better heat dissipation - Equipped with high quality potentiometer Knob - High quality metal material with surface galvanized process;
All orders will be shipped within 48 hours on receipt of cleared payment on Woking Days. (From Moday to Friday in 24-48 hours as usual, Except for Chinese legal holidays or big holidays or Weekend)
We ship the orders from China, now due to the impact of COVID-19, all the shipping way will have delay include fast shipping way like DHL, the delivery delay is really out of our control, hope to get your understanding and patience.
If you need faster shipment, please choose DHL or EMS or FedEx IP etc(Shipping fare paid by yourself). Or we will deliver via the default method of standard shipping.(Usually by China Post Registered Air Mail with tracking number if the order ammount is more than $9.99); Please contact us to calculate the shipping cost by faster shipping way like DHL, EMS or FedEx...
Please make sure that your shipping address is 100% correct with full name and a right phone number included, the phone number is very important in the shipping address.
We ship items to worldwide with delivery time guarantee. Please understand the unexpected delay during the international shipping.
We usually declare a lower value for all orders to avoid the cutoms tax for our customers, but the buyer still need to do customs clearance themselves if it's a requirement by the destination country.
[Return & Refund Policy]
If you didn't receive your product after 6 months or it is significantly different to the description, we guarantee to resend new or refund your payment. But due to the shipping delays of international shipment, we hope to get your understanding and wait for some more time.
We provide resend or refund or store coupons for the item you received was substantially different from the item represented on the product detail page.
For the item you received was damaged or defective,please take photos of original package with shipping labels, package weight, package items details as proof to send us to find solutions,thank you!
It is better to reject the package if you find it obviously broken and ask for compensation from your local post office.
We accept any unused item in its original package as return within 7 days of delivery. Buyers must pay for the return shipping fee, provide the tracking number, specific reason for the return.
If buyer's reason lead to the return package due to fail delivery in destination country, the buyers need to pay for resend shipping fee and we deduct shipping fee before issue refund.
We will refund to buyer after we receive the return packages in its original condition package with no items missing. Or buyers could choose to have a replacement.
We accept to refund or resend new for our customers as product quality problem. But for the product value above $30, buyer must return the product to get a refund, the return shipping cost should be negotitated between the buyer and seller as this is a international shipping.
As our products belongs to DIY products, it really need some DIY skills and professional knowledge, also there will be the risk of failure for your DIY projects which may cause your loss such as one or two device burnt or defective due to not proper operation.
We can be reponsible for exchange new one or repair for the defective products which you bought from us, but you must send back us the defective product to us and also pay for the return shipping cost. The buyer must bear the shipping cost of return for exchange.
We only accept to exchange after we get the defective products received. As it is international shipping, it usually will take a longer time for your return package, please understand about this.
Geekworm products on the website all support a wholesale price if you need large quantities. You can send us your request about the item you need, item quantities, destination country of shipment. Then we will send you our lowest price according to item quantities, and the shipping cost also will be calculated according to the quantities you need.
Support dropshipping orders from all over the world. Please leave a note if you make a dropshipping order. We will not put anything related with our website into the parcel, please don't worry.
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