SPRO B4 4 Channel 4K Ultra HD Analogue CCTV DVR with Power Over Coax

SPRO B4 4 Channel 4K Ultra HD Analogue CCTV DVR with Power Over Coax - Tech4

SPRO B4 4 Channel 4K Ultra HD Analogue CCTV DVR with Power Over Coax

Regular price £195.00 Sale price £194.99 Save £0.01
Only 25 left in stock!
  • Free UK Shipping On Orders Over £89
  • 30 Day Easy Returns Policy
  • Safe & Secure Payments

The SPRO B4 is a high quality CCTV DVR for viewing, recording and monitoring your CCTV cameras.

With the Power Over Coax feature you can simply plug & play compatible POC cameras without requiring any further power supplies.

Perfect for home security with a whole host of useful features to protect your property and family.

It's also perfect for upgrading older systems to high definition and remote viewing.


  • Record With Up To 4K 8MP Quality
  • Free EasyViewer App for iOS & Android
  • Easy To Setup - Plug & Play Cameras
  • Power Over Coax - No Additional PSU's Required
  • Connect 4 x Analogue Cameras & 2 IP Network Cameras (via network)
  • View 1/4/8/9 or 16 Channels At One Time With Live Display
  • P2P Remote Viewing - No Port Forwarding Required, Just Scan The Code
  • Audio Output
  • Face Detection
  • Trip Wire Detection
  • Push Notifications
  • Supports Up To 8MP On Additional IP Channels
  • PTZ Control Over Coax*
  • Alarm Over Coax*
  • Audio Over Coax*
  • 4K HDMI & VGA Outputs For Connecting To Monitor or TV
  • 3 Year Warranty


  • 1 x SPRO B4 4 Channel NVR with POC
  • 1 x Power Supply

* Compatible POC Cameras Required

** Note that this DVR cannot power POC cameras via baluns (i.e with CAT5) must be coax cable.

We know you can't wait to start enjoying your new speaker system, so we only use the quickest and most reliable couriers.

We keep plenty of stock so most of orders are delivered the next day!

Delivery Costs

 We've decided to keep this really simple.

If your order is over £89 then you will get FREE next day courier. Most instances we will dispatch the same day as well, however free deliveries may take 1 extra day at most.

We also offer a range of other delivery options for Saturdays and AM deliveries.

Some additional costs apply to Ireland, Europe & Scottish Highlands. Our business isn't about making money on deliveries, but some areas do cost us a bit more than others so we have to pass that on to keep the overall delivery costs as low as possible. 


Mainland UK

FREE Delivery (2-3 Working Days) £0.00
Standard Delivery (2-3 Working Days) £4.99
Express Delivery (1-2 Working Days) £6.99



 Standard Delivery (3-4 Working Days) £14.99

Order Processing

Most orders received before 2pm are processed and dispatched the same day provided the items are in stock. Orders are processed Monday - Friday excluding weekends and public holidays. A notice will be placed on the website if orders will not be processed for any reason outside of the aforementioned days.

Once dispatched your item will usually be with you next day! Some customers have ordered at 2pm and received it by 10am the next day!. All times stated are for guidance only, we endeavour to provide the most efficient service as possible but please ensure that you order in good time to avoid problems caused by delays in dispatch. If you are ordering a speaker system to be installed by an electrician, we reccomend that you give yourself an extra day before booking your electrician in.

If a product is delayed or out of stock we will contact you by telephone and/or e-mail in the earliest instance to discuss your order. We do our best to ensure that our stock levels are accurate, but on the odd occassion if the item you have purchased is out of stock we will contact you ASAP to discuss alternatives or to advise of the lead time.


Couriers Used

We only use the best, and that's decided by our customers. The majority of our orders go via Interlink, UK Mail, DPD. Some lower value items such as spare parts and remote controls go Royal Mail. 

Free delivery is normally via next day courier as well. (We don't guarantee you'll receive free delivery items the next day, but 99% of the time you will!)

Keeping You Updated

Once you place an order with us you will receive a notification e-mail outlining your order and details. We then get busy picking and carefully packing your item. Once we've got it all ready to go you'll receive another update to tell you it's been dispatched with a tracking number so you can keep an eye on it!

99% of our customers receive their items sooner than they expected. We pride ourselves on super-fast deliveries and do everything we can to deliver on that promise.

Any stock issues, or other delivery issues will always result in a quick phone call and e-mail to keep you updated. However we have carefully picked our products so we rarely have stock issues