---
product_id: 475357976
title: "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"
brand: "sharp"
price: "$64.11"
currency: USD
in_stock: true
category: "Sharp"
url: https://www.desertcart.us/products/475357976-sharp-big-bang-115db-alarm-clock-for-heavy-sleepers-dual
store_origin: US
region: United States of America
---

# Dual independent alarms Large dimmable LED display 115dB extreme loudness 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

**Brand:** sharp
**Price:** $64.11
**Availability:** ✅ In Stock

## Summary

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

## Quick Answers

- **What is this?** 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 by sharp
- **How much does it cost?** $64.11 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/475357976-sharp-big-bang-115db-alarm-clock-for-heavy-sleepers-dual)

## Best For

- sharp enthusiasts

## Why This Product

- Trusted sharp brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **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

## Overview

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.

## Description

Buy Sharp Big Bang Super Loud Alarm Clock for Heavy Sleepers, 115dB Extreme Wake-Up Alarm, Dual Alarms, 6 Wake Sounds, Large Red LED Display, Dimmer Control & Battery Backup, Bedroom Clock: Alarm Clocks - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- DESIGNED FOR HEAVY SLEEPERS & DEEP SLEEP - Built specifically for people who sleep through phone alarms and standard clocks. The Sharp Big Bang delivers powerful wake performance for adults, teens, students, and shift workers who need dependable morning wake-ups.
- 115dB EXTREME WAKE-UP PERFORMANCE - Extra-loud alarm reaches up to 115dB—louder than most household alarms—helping ensure you wake up on time for work, school, travel, or early schedules when waking up truly matters.
- 6 HIGH-IMPACT WAKE SOUNDS THAT BREAK THROUGH SLEEP - Choose from Rooster, Bugle, Siren, Jackhammer, Beep, or Nagging Voice alarms designed to interrupt deep sleep cycles and prevent missed alarms or oversleeping.
- DUAL ALARMS + BACKUP SECURITY - Set two independent alarms for weekday/weekend schedules or backup wake times. Battery backup preserves alarm settings during power outages for reliable everyday use. Requires 2 x AAA batteries (not included)
- LARGE EASY-READ DISPLAY WITH DIMMER CONTROL - Oversized white LED display is clearly visible across the room with adjustable brightness levels, providing comfortable nighttime viewing without disturbing sleep.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| 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 |

## Product Details

- **Brand:** Sharp
- **Color:** Red
- **Display Type:** Digital
- **Indoor/Outdoor Usage:** Indoor
- **Power Source:** Battery Powered
- **Product Dimensions:** 3.55"W x 5.91"H
- **Room Type:** Bedroom, Living Room, Dining Room, Kitchen, Kids, Nursery, Bathroom, Home Office
- **Shape:** Rectangular
- **Special Feature:** Alarm, Battery Backup, Loud Alarm
- **Style:** Classic

## Images

![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 - Image 1](https://m.media-amazon.com/images/I/61U6Z2DXBVL.jpg)

## Available Options

This product comes in different **Color** options.

## Questions & Answers

**Q: Is this alarm clock loud enough for heavy sleepers?**
A: 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.

**Q: Will this wake someone who sleeps through phone alarms?**
A: The Big Bang alarm is significantly louder than most smartphone alarms and uses powerful wake sounds designed to break through deep sleep cycles.

**Q: Is this alarm clock good for shift workers or changing schedules?**
A: Yes. Dual alarms allow separate wake times for rotating shifts, early mornings, or backup alarms, making it ideal for shift workers and busy schedules.

**Q: What happens if the power goes out overnight?**
A: Battery backup keeps your alarm settings saved during power interruptions so your wake-up schedule remains protected.

**Q: Who is this alarm clock best for?**
A: 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.

## Frequently Bought Together

- Sharp Big Bang Super Loud Alarm Clock for Heavy Sleepers, 6 Extremely Loud Wake Up Sounds: Rooster, Bugle, Nagging Mom, Jackhammer, Siren, Beep – Up to 115db Volume, Red/Black with Red LED Display
- uscce Loud Dual Alarm Clock with Bed Shaker - 0-100% Dimmer, Vibrating Alarm Clock for Heavy Sleepers or Hearing Impaired, Easy to Set, USB Charging Port, Snooze, Battery Backup
- Peakeep Loud Alarm Clock for Heavy Sleepers Adults, Metal 4 Inches Twin Bell Battery Operated Alarm Clocks for Bedrooms Decoration (Jewel Blue)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-07-25*