Is this alarm clock loud enough for heavy sleepers?

Yes. The Sharp Big Bang reaches up to 115dB and is designed specifically for deep sleepers and people who sleep through phone alarms or standard bedside clocks.

Will this wake someone who sleeps through phone alarms?

The Big Bang alarm is significantly louder than most smartphone alarms and uses powerful wake sounds designed to break through deep sleep cycles.

Is this alarm clock good for shift workers or changing schedules?

Yes. Dual alarms allow separate wake times for rotating shifts, early mornings, or backup alarms, making it ideal for shift workers and busy schedules.

What happens if the power goes out overnight?

Battery backup keeps your alarm settings saved during power interruptions so your wake-up schedule remains protected.

Who is this alarm clock best for?

The Sharp Big Bang is ideal for heavy sleepers, teens, students, adults, and anyone needing a dependable alarm clock for work, school, or daily wake-up routines.

Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

Account Cart

Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

Help Track order

Account Cart

Sharp Big Bang 115dB Alarm Clock for Heavy Sleepers, Dual Alarms | 6 wake sounds; Large red LED display; Adjustable dimmer; Battery backup; Extra-loud 115dB alarm; Dual alarm settings

Product ID: 475357976

Details

Brand
Sharp
Color
Red
Display Type
Digital
Indoor/Outdoor Usage
Indoor
Power Source
Battery
Product Dimensions
3.55"W x

⏰Dual independent alarms

💡Large dimmable LED display

🔊115dB extreme loudness

$64.11

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

Secure transaction

Description

⏰🔊 Never Miss a Beat—Wake Up Loud, Proud, and On Time!

WAKE UP LIKE A PRO - 115dB alarm shatters deep sleep for unstoppable mornings
DOUBLE THE RELIABILITY - Dual alarms with battery backup keep you punctual rain or shine
BUILT FOR HEAVY SLEEPERS - Engineered specifically to conquer even the deepest sleepers and shift workers
TAILORED ALARM EXPERIENCE - Choose from 6 high-impact sounds to break through any sleep cycle
CLEAR CUSTOMIZABLE DISPLAY - Oversized red LED with dimmer control for perfect visibility day or night

The Sharp Big Bang Alarm Clock is a powerhouse designed for heavy sleepers, delivering an ultra-loud 115dB alarm with six distinct wake sounds. Featuring dual alarms and battery backup, it ensures you never oversleep, while its large dimmable red LED display offers clear visibility without disturbing your rest. Perfect for professionals, students, and shift workers who demand dependable, no-fail wake-ups.

Specifications

ASIN	B0BDQ43PT4
Additional Features	Alarm, Battery Backup, Loud Alarm
Alarm Clock	Yes
Batteries are Included	No
Best Sellers Rank	#19,808 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #69 in Alarm Clocks
Brand Name	Sharp
Clock Form	Time Clock
Color	Red
Customer Reviews	4.3 4.3 out of 5 stars (2,151)
Dial Color	Red
Display Type	Digital
Frame Material	Plastic
Indoor Outdoor Usage	Indoor
Input Voltage	120 Volts
Item Dimensions W x H	3.55"W x 5.91"H
Item Weight	0.78 Pounds
Manufacturer	Sharp
Manufacturer Part Number	SPC657AJAMZ
Mounting Type	Wall Mount
Number of Batteries	Unknown batteries required.
Number of Items	1
Operation Mode	Electrical
Power Source	Battery Powered
Room Type	Bedroom, Living Room, Dining Room, Kitchen, Kids, Nursery, Bathroom, Home Office
Shape	Rectangular
Size	Large
Style Name	Classic
Theme	Music
UPC	049353008615
Unit Count	1.0 Count
Watch Movement	Automatic

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Ravi S.

I loved the variety of products available. Will definitely shop again.

2 months ago

Anjali K.

The product quality is outstanding. Exactly what I needed for my work.

1 month ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.