Best Extra-Loud Alarm Clocks of 2025

The Sonic Alert Sonic Bomb Dual Extra Loud Alarm Clock is perfect for heavy sleepers who struggle to wake up in the morning. With a 113db extra-loud alarm, adjustable tone and volume control, red flashing alert lights, and a bed shaker, you'll never oversleep again. You can adjust the duration of the alarm and snooze time, and choose between three different modes: vibration, buzz, or vibrate/buzz combo. The Sonic Alert brand is globally recognized and trusted for its mission to alert and notify users through electronic communications.

The Cadmos Loud Alarm Clock is designed to wake even the heaviest sleepers with its adjustable volume that can reach up to 105 decibels. You can set dual alarms, perfect for waking up at different times or for family members. The large 2-inch LED display ensures you can easily read the time from a distance, and the brightness can be adjusted to suit your preference. Additionally, the clock features a vibrant RGB display with 8 colorful screens and a 7-color nightlight, adding a fun and lively touch to your bedroom decor.

The Cadmos Alarm Clock is designed for heavy sleepers and offers an extra loud alarm that reaches up to 105dB, ensuring you wake up on time. Its vibrant RGB display features 15 colors and four brightness levels, making it a stylish addition to any room, especially for teens. The clock also includes a colorful night light with seven options, perfect for creating a fun atmosphere for kids. Plus, the large 6.3" LED display with 2.1" tall numbers guarantees easy reading from across the room, providing convenience for anyone, regardless of age.

The Roxicosly Loud Alarm Clock is designed for heavy sleepers and those with hearing difficulties. It features three alarm modes, including a powerful bed shaker and an adjustable volume of up to 116dB, ensuring you wake up no matter how deep your sleep is. The 7.5-inch large display with bold font makes it easy to read the time from anywhere in the room, and the brightness can be adjusted to your preference. Additionally, the dual alarm feature allows you to set separate alarms for weekdays and weekends, catering to different schedules effortlessly.

The SHARP Big Bang Super Loud Alarm Clock is an extra loud alarm clock with up to 115db volume and 6 different sounds to choose from. It comes with custom snooze functionality and 3-step dimmer control to adjust brightness. You can use it as an electric powered clock and it also has a battery backup for storing the time and alarm settings in case of power outages.

The Peakeep Alarm Clock is a reliable and convenient clock designed specifically for bedrooms. It features large, easy-to-read numbers that are perfect for seniors or those with poor eyesight. The clock also has a loud alarm with volume control, ensuring that even heavy sleepers can wake up on time. With 5 different brightness settings, you can customize the display to your preference, making it visible in any lighting condition. The clock also comes with a backup battery alarm and a USB charger port, providing peace of mind during power outages and the convenience of charging your devices while you sleep.

The DreamSky Alarm Clock is perfect for heavy sleepers and anyone who struggles with traditional alarms. Its large 2.15-inch LED digits make it easy to read from across the room, ideal for seniors and those with vision impairments. With an impressive volume that can reach up to 105 decibels, you won't miss waking up on time, even during deep sleep. The clock also features an RGB dynamic display with eight color patterns, adding a fun touch to any bedroom. Plus, it includes a USB charging port, allowing you to conveniently charge your devices right from your nightstand.

If you're a heavy sleeper, hard of hearing, or have poor eyesight, the PPLEE Extra Loud Vibrating Alarm Clock is perfect for you. The bed shaker feature shakes you awake without disturbing others, and the 7" large screen with adjustable dimmer and volume makes it easy to read and hear. With 7 colored night light options and a big snooze button, this clock is also convenient for nighttime use. It is outlet operated with battery backup, and has two cellphone chargers on the back. You can set the time format and DST functions to your preference, and it comes with a 365-day product warranty and excellent after-sale service.

The AXYEBI Loud Alarm Clock is designed for heavy sleepers and those with hearing impairments. Its powerful vibrating alarm and adjustable loud buzzer ensure you wake up on time without disturbing others. You can also enjoy a dynamic 15-color RGB display that brightens your space and matches your mood. The soothing night light offers seven color options, perfect for creating a calming environment at bedtime. With dual alarms, you and a partner can set separate wake-up times, making it ideal for families or roommates with different schedules.

The PPLEE Loud Alarm Clock is designed for heavy sleepers and those with hearing impairments. It offers three different alarm modes, allowing you to choose between a buzzer, bed shaker, or both, ensuring you wake up effectively. With adjustable vibration intensity and a maximum volume of 116dB, this clock is perfect for deep sleepers. It features dual alarms with customizable settings for weekdays and weekends, making it convenient for varying schedules. Additionally, the clock includes a USB charging port, so you can charge your devices overnight, ensuring you're ready for the day ahead.