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Small rectangular voice recorder, matte finish, USB-C port and 3.5mm jack visible

Xelarvex REC-1120 72GB voice recorder

SKU CH-WT65-6PW24

A 72GB voice recorder storing 4800 hours of audio with AI noise reduction removing 97% of ambient sound and voice activation for efficient recording

  • Battery runtime48 h
  • Audio recording formatWav
  • Storage media72 GB
  • Host interfaceUSB C
  • ConnectionHeadphones: 3.5 mm
  • Battery pack1 g, 48 h, lithium ion, 20 Wh, 1
  • 72 GB storage holds up to 4,800 hours of recordings at 192 Kbps
  • Voice-activated recording starts only when sound is detected, saving memory by skipping silent gaps
  • AI noise reduction cuts 97 % of ambient sound for clearer captures
  • 48 hours continuous recording from a 1.5-hour charge with auto-save before power-off
  • Weighs 0.132 kg with USB-C and 3.5 mm headphone connectors for easy transfer and monitoring

72 GB voice recorder for lectures

The Xelarvex REC-1120 stores up to 4800 hours of WAV audio at 192 Kbps on its 72 GB internal memory. Voice-activated recording begins only when sound is detected, removing silent gaps and extending usable capacity. It connects via USB-C for file transfer and charges fully in 1.5 hours.

Sustained recording with AI noise reduction

The lithium-ion battery delivers 48 hours of continuous recording on a full charge, with each session limited to 2-hour auto-saved files. An AI sound-processing chip reduces 97 % of ambient noise during long sessions, keeping clarity consistent without manual gain adjustments. Low-battery protection secures every file before shutdown.

Replaces smaller recorders and phone apps

The jump is worthwhile when 72 GB of local storage and 48-hour battery life remove the need for frequent offloading or cloud reliance. Buyers who need real-time streaming, multi-track capture, or expandable media slots will not find those functions here. The 0.132 kg body clips to a lanyard or bag for hands-free use.

How it compares

Measured against everything we stock in Digital Audio & Voice Recorders, at today’s prices. Recalculated every night.

Price $58.99
Pricier than about 62% of the 321 comparable items (median $49.99).
Battery runtime 48 h
Higher than about 56% of the 106 comparable items (median 40 h).

Specifications

Product
Brand nameXelarvex
Model nameREC-1120
Storage
Storage media72 GB
Audio & video
Audio recording formatWav
Ports & slots
Host interfaceUSB C
ConnectionHeadphones: 3.5 mm
Power
Battery runtime48 h
Battery pack1 g, 48 h, lithium ion, 20 Wh, 1
Size & build
Product weight0.132 kg
In the box
In the boxVoice Recorder

Questions about this item

Does the 72 GB recorder get warm or make noise during a full 48-hour session?

The unit weighs only .132 kg and has no moving parts, so it runs silently and stays cool even after 48 hours of continuous recording.

What cable or adapter must I already have to move WAV files off the USB-C port?

You need a USB-C cable — either USB-C to USB-C or USB-C to USB-A — to connect the recorder to your computer for file transfer.

Will the 3.5 mm headphone jack work with my older wired headset without an adapter?

Yes, the built-in 3.5 mm connector accepts any standard 3.5 mm headphone plug directly.

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