Return items will be accepted within 40 days when is the date of receiving the goods. Customized items cannot be returned or exchanged. Items bought with an e-gift card are exchangeable only; refunds are not applicable.
Free Gift
Welcome to Roymall, your professional website for purchasing premium department store gifts. We highly value and appreciate your support, and we want to express our gratitude by adding an extra touch of excitement to your purchases. When you shop with us, you not only get to enjoy high-quality products that enhance your lifestyle, but you'll also receive an exclusive free gift with every order you place. Ready to explore our collection and find your perfect gifts? Browse our selection of premium department store items, place your order, and look forward to the excitement of your free gift arriving alongside your purchase.
Shipping Policy
We will work hard to deliver items to you after receiving your orders and make sure they arrive safely. Delivery details will be provided in your confirmation email.In most cases, orders are processed within 2 days.Under special circumstances, it will be delayed as follows: When you place an order on Saturday, Sunday or public holidays, it will be delayed for 2 days..Normally, it needs 5-7 working days (Monday to Friday) without being affected by flight delay or other environmental factors..Because our shipping service is worldwide so the delivery times will depend on your location so it may need a few times and please wait patiently if you are in remote districts or countries.
1. Return & Exchange Policy
We only accept items purchased from roymall.com. If you purchase from our local distributors or other retailers, you cannot return them on our side.Final sales items or free gifts are not acceptable for a return.To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.After receiving return instructions from us, please package up your returned items and drop your package at the local post office or another courier. We will process your return or exchange item within 3-5 working days after we receive it. The refund will be processed and credited automatically to your original method of payment.No returns or exchanges can be accepted if the product was custom produced, including custom size, custom
color, or custom printed.Need more help, please contact us. service@roymall.com or Whatsapp: +447549870296
2.Refund Policy
You'll get a full refund or 100% store credit after we receive the returned package and check it. The refund will be processed and credited automatically to your original method of payment.Please note that shipping costs and any duties or fees are not refundable. The extra shipping costs are non-refundable once the package has been shipped. You are responsible for paying these fees and we’re unable to waive or refund them, even if the order is returned back to us.Once we received and confirmed your returned item, we will send you an email to notify you that we have received your returned item. We will also notify you of the approval or rejection of your refund.If you have any problems regarding the refund process, please contact us. service@roymall.com or Whatsapp: +447549870296
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Specifications: Product Name: FM Radio DIY Assembly Kit PCB Board Size: 5.6cm x 5.1cm Shell Size: 12.025cm x 6.803cm x 3.84cm Supported Speakers: 8 Ohms / 4 ohms up to 5W, 4 Ohms 5W speaker included in the kit Output Power: 5W Frequency Response Range: 50Hz-18KHz Channels: Mono for speakers, Stereo for headphones Adjustable Reception Frequency: Without campuss radio 87.0MHz-108.0MHz, with campuss radio 76.0MHz-108.0MHz Equivalent Noise: ≥30dB Power Supply: 4.0V-5.5V, Current 500MA-2A Weight: 60 grams, Speaker: 120 grams Note: Unsoldered product, you need to assemble it yourself
Features: 1. The use of advanced digital audio signal processing technology (DSP) and FM phase-locked loop modulation technology (PLL) makes the sound quality more realistic, the performance more stable, the working frequency has no deviation for a long time, and the received signal is good.2.LCD display is more intuitive and accurate, with extremely low power consumption and minimal noise interference.3. It has the function of automatically searching for radio stations and storing radio stations, and is easy to operate.4. Built-in 30-level digital volume adjustment, which can be easily completed by pressing buttons.5. Automatically remember the data before the power outage.6. Using quartz crystal to stabilize the frequency, the emission frequency will no longer drift when the temperature changes.7. Full frequency band (76-108MHZ) automatically searches for signal frequency bands and stores memory.8. Built-in rechargeable lithium battery and charging circuit, you can charge it with a mobile phone charger, the red light will turn on when charging, and the green light will turn on when full;
Package Include:
Component Listing
No.
Component Name
PCB Marker
Parameter
Quantity
1
LM4863 Power Amplifier
U1
SOP-16
1
2
Metal Film Resistor
R2,R3,R4
10Kohm
3
3
Metal Film Resistor
R1
39Kohm
1
4
Metal Film Resistor
R6,R7
1 Kohm
2
5
Metal Film Resistor
R5
100ohm
1
6
3.5mm AUX Audio Socket
J5
5Pin
1
7
KA2284 LED Driver
U2
ZIP-9
1
8
1N4007 Diode
D1
D0-41
1
9
Monolithic Capacitor
C3,C4
0.1uF 104
2
10
RGB LED
D2,D3,D4,D5,D6
5mm
5
11
DuPont Female Socket
FM
16Pin
1
12
Electrolytic Capacitor
C2,C7
4.7uF
2
13
Electrolytic Capacitor
C1
1uF
1
14
Electrolytic Capacitor
C5,C6
470uF
2
15
Self-locking Button
S6
8*8mm
1
16
Self-locking Button Cap
S6
Red
1
17
DC-005 Power Socket
J1
5.5*2.5mm
1
18
Black Button
S1-S5 or SP+/SP-/P+/P-/AUTO
6*6*20mm
5
19
FM Receiver Module
FM
16Pin
1
20
75ohm FM Antenna
ANT
1
21
Black Wire
SP
20cm
1
22
4ohm 5W Speaker
SP
1
23
USB-DC005 Power Wire
100cm
1
24
Acrylic Board
6
25
M3*30mm Copper Pillar
4
26
M3*15mm Copper Pillar
3
27
M3*8mm Screw
4
28
M3*6mm Screw
10
29
PCB
56*51*1.6mm
1
NOTE: Users can complete the installation according to the PCB silk screen and component list.
It arrived on time. You can download very detailed material for the compilation! I haven't assembled it yet, but I hope that when I assemble it, it will have the parameters according to the description and will not disappoint!
Roymall C.o.
Free Gift
Shipping Policy
Return Policy
Coupon Code
Direct purchase from the factory 
Electronic Components & Supplies
DIY Electronic Kits
