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4 Channel DVR

A 4-channel DVR records from up to 4 cameras over coaxial cable — HD-TVI, AHD, or legacy composite analog — and is the right recorder for small existing coax-based CCTV installs (1–4 cameras) where the cabling is in place and rip-and-replace to IP isn't practical. Most common use case: replacing a failed 4-channel DVR on an existing residential or small-commercial install, or upgrading from older standard-definition analog to current HD-TVI at the same camera count.

Security Cameras Australia stocks 4-channel DVRs from Hikvision Turbo HD and HiLook. Every DVR is genuine Australian stock with full manufacturer warranty.

For new installs without existing coax cabling, IP cameras + a 4-channel NVR is the modern standard architecture. For broader DVR guidance see the main DVR collection.

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When to choose a 4-channel DVR

  • Replacing a failed 4-channel DVR on an existing residential or small-commercial coax install — keep the cameras, coax and mounting, swap the recorder for a current HD-TVI model.
  • Upgrading analog cameras to HD-over-coax — new HD-TVI cameras + new DVR + existing coax cabling. Gets HD resolution at lower cost than full IP migration.
  • Existing 1–4 camera coax installs that need modern remote-access features (Hik-Connect mobile app, smart event filters).

Key spec to confirm

  • Auto-detect HD-TVI / AHD / composite per channel on modern Hikvision Turbo HD and HiLook 4-channel DVRs — existing cameras typically work without modification.
  • Maximum resolution per channel — current 4-channel DVRs typically support 5MP HD-TVI; Pro variants reach 8MP.
  • Hybrid IP support — most modern 4-channel DVRs accept 1–2 additional IP camera channels alongside the 4 coax inputs.
  • SATA bay — typically 1 bay supporting up to 8 TB; some Pro models 2 bays.
  • Remote access via Hik-Connect mobile app and browser interface.

Storage for 4-channel DVR installs

  • 4 × 2MP HD-TVI, 30-day retention → ~4 TB. Single 4 TB drive.
  • 4 × 4MP HD-TVI, 30-day retention → ~8 TB. Single 8 TB drive.
  • 4 × 5MP HD-TVI, 30-day retention → ~10 TB. Single 12 TB drive.

Use surveillance-grade Seagate SkyHawk AI or WD Purple drives. HD-TVI streams use slightly lower bitrates than IP at equivalent quality, so storage demand is moderate.

Should I step up to 8-channel?

If the install might grow beyond 4 cameras, yes — the cost difference is modest and 8-channel gives 4 spare ports. For installs genuinely capped at 4 cameras (small unit, replacement on closed-system install), 4-channel is right-sized. See 8-channel DVR.

Why buy from Security Cameras Australia

  • Authorised Australian dealer · full manufacturer warranty.
  • Expert support · advice on format compatibility and replacement DVR matching.
  • Price-match · free shipping · 30-day returns.

Shop the 4-channel DVR range

Browse below, or see 8-channel DVR, the main DVR collection, or 4-channel NVR for new IP installs.

Frequently Asked Questions about 4 Channel DVR

Will my existing analog cameras work on a current 4-channel DVR?

Most modern Hikvision Turbo HD and HiLook 4-channel DVRs auto-detect HD-TVI, AHD and legacy composite analog per channel — existing cameras typically work without modification. For Dahua HD-CVI cameras specifically, confirm the DVR model supports the format. Connection is BNC-to-BNC on the existing coax — same as the old DVR.

Can I mix HD-TVI and analog cameras on the same 4-channel DVR?

Yes — each channel auto-detects independently, so you can run 2 new HD-TVI cameras alongside 2 legacy composite analog cameras. Useful for staged upgrades where some cameras get replaced first.

Does a 4-channel DVR include PoE for cameras?

No — DVRs use coaxial cable not Ethernet, and PoE doesn't work over coax. Analog and HD-TVI cameras need their own 12 V DC or 24 V AC power supply at the camera position. This is one of the practical install differences vs IP cameras with PoE single-cable power.

Can I view a 4-channel DVR remotely from a smartphone?

Yes — modern Hikvision and HiLook DVRs include Hik-Connect mobile app support (iOS and Android) for live view, playback, alerts and remote configuration. Setup is QR-code based via the app. No cloud subscription required for the basic remote-view function.

New install — should I choose 4-channel DVR or NVR?

For a brand-new install with no existing cabling commitment, an NVR with IP cameras is the modern standard — PoE single-cable per camera, better resolution support, smoother integration with modern features like AcuSense AI. DVRs make sense specifically when you have existing analog or HD-TVI cameras on existing coax cabling that you want to keep in service. See the 4-channel NVR collection for the modern path.
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