60W Bluetooth Amplifier with 4" Outdoor Ground Spike Speakers


Speakers: One Pair
Sale price£249.99
Sold out

Questions? Call our team on 02392 006118 or email sales@tech4.co.uk


This outdoor bluetooth speaker package is perfect for anyone wanting to easily add discrete audio into their garden area. You can wire either 2 or 4 of these 4" weatherproof speakers into the bluetooth amplifier allowing you to stream music to your garden!

These garden spike speakers can either be driven into the ground to hide in with greenery or the base plate will allow you to screw the speaker onto the floor.


  • INTEGRATED BLUETOOTH: Take advantage of the Bluetooth connection, sonorizing your space easily. Wireless compatibility with your Smartphone, Tablet, Laptop, Desktop, TV, Game Console and many other devices.
  • ULTRA COMPACT DESIGN: The A40 is a 60W amplifier with an ultra small size to integrate in your small and medium installations.
  • WEATHERPROOF SPEAKERS: The IP66 rated enclosure offers an excellent performance for many environments, including outdoor areas, where the weather protection is needed.
  • AUX INPUT: You can use the AUX input to connect your Smartphone, Tablet, TV, CD Player, Turntable or Laptop using a 3.5mm audio jack cable.

Wiring Diagram

*The Amplifier will need to be located into a dry location.

A40 Wiring diagram for outdoor speakers

Please note that the amplifier will need to be installed into an enclosure which is not included. 

A40 Amplifier

  • Product Type Bluetooth Class D Amplifier
  • Frequency Response (-6dB) 20Hz - 20kHz
  • Amplifier Power 2 x 30W@8Ω
  • Speaker Output 8Ω - 16Ω
  • THD+N <0.1%
  • SNR >82dB
  • Input Sensitivity 0dBV (0.7V)
  • Wireless Connection System Bluetooth v2.1 + EDR
  • Wireless Range 10m (32.8ft)
  • Audio Signal Inputs Bluetooth | Stereo Line-in
  • Input Connectors 3.5mm Stereo Jack
  • Amplifier Technology Class D Amplifier
  • Cooling Type Convection
  • Power Input AC 100V - 240V / 50Hz - 60Hz
  • Power Consumption 0.24W - Idle
  • Product Material Aluminum
  • IP Rating Indoor Use
  • Dimensions (WxHxD) 100 x 35 x 125mm (3.9" x 1.4" x 4.9")
  • Fixation Screw Fixation to Wall / Ceiling
  • Net Weight 330g (0.73lb)
  • Shipping Weight 350g (0.77lb)

P4 Speakers

  • Product Type Full-Range Wall Speaker (8Ω/100V)
  • Frequency Response (-6dB) 120Hz - 20kHz
  • Nominal Coverage 90º Conical
  • RMS Power 20W
  • Program Power 40W (8Ω)
  • Nominal Impedance 8Ω
  • Sensitivity (1W, 1m) 83dB
  • Maximum SPL (calculated) 99dB
  • Transformer Taps 100V 2.5W | 5W | 10W | 20W
  • Transformer Taps 70V 1.25W | 2.5W | 5W | 10W
  • Low Frequency Driver 4" Polypropylene Cone Woofer
  • High Frequency Driver 0.75" Silk Dome Tweeter
  • Input Connectors Phoenix Type Pluggable Terminal Block
  • Grille Aluminum Grille | Detachable Logo
  • Product Material High-grade Rugged Polypropylene
  • IP Rating IP66 (Only with Back Cover Supplied with Wall Bracket or Garden Accessory)
  • Dimensions (WxHxD) 138 x 190 x 138mm (5.43" x 7.48" x 5.43")
  • Fixation Eye Bolt for Suspension | Bracket for Wall Mount
  • Net Weight 1.85kg (4.08lb)
  • Shipping Weight 2.7kg (5.95lb)

A40 Amplifier

  • 1 x A40 Stereo Bluetooth Amplifier
  • 1 x Bluetooth Antenna
  • 1 x User Manual
  • 1 x 20m 2 Core Speaker Cable

P4 Speakers

  • 2 x P4 4" Outdoor Wall / Pendant Speaker
  • 2 x Wall Mount Kits
  • 2 x User Manual
  • 2 x Ground Spike accessory

All of the items on our website are shipped from our UK warehouse, based on the South Coast near Portsmouth.

We use the top couriers including DPD & Parcelforce in order to get your product to you ASAP. 


Standard Delivery - Orders Over £99
Usually Delivered Within 2-3 Working Days
Standard Delivery - Orders Under £99
Usually Delivered Within 2-3 Working Days
Next Day Delivery (Order By 2PM)
Usually Delivered Next Working Day

 All orders are sent on a tracked & signed for service.


Unfortunately we are currently only shipping to mainland UK and are currently not shipping to Ireland.


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