Tangent Ampster BT II Bluetooth Amplifier with Q Acoustics 4.5" Outdoor Speakers

Tangent  |  SKU: TB7066
£399.99 £529.00
Colour: Black

Includes 2 Years Warranty + 60 Day Returns

Need Advice? Call 02393 190955

We’re more than just an online retailer. We’re passionate about audio and offering the best customer service in the industry.

Need some advice? Call our audio experts on 02393 190955, live chat or email us and we’ll help you make the best decision. Learn More

Spend £99 For Free Delivery

All orders to mainland UK over £99 are eligible for free standard delivery.

Need it fast? No problem, you’ll find express next day delivery rates available on most products. Learn More

Extended 60 Day Returns

We’re so confident that you’ll be happy with your purchase that we’ve extended our returns policy to 60 days. We call it the “Happy Sound Guarantee”.

If you’re not happy with your purchase for any reason simply send it back to us for a full refund. Learn More


The Tangent Ampster BTII is our most popular HiFi ceiling speaker system.

It's the ideal system where power, sound quality and ease of use is key..

Simply pair your smart phone or tablet and stream your favourite music wirelessly. 


  • HIGH POWER: The Tangent Ampster BTII features a 50 watts per channel HiFi quality amplifier for high quality, loud music. If you want a room-filling system with plenty of power then this is your best option.

  • WIRELESS STREAMING: Pair and play your top tunes wirelessly with Bluetooth. Compatible with any Bluetooth smartphone, tablet or computer. Wherever your music is, you'll be able to stream it in your home.

  • AUTO ON: Don't be put off by the traditional compact HiFi design, this amplifier wakes automatically when you connect a Bluetooth device meaning you can use it without needing to touch it. You can hide it away in a kitchen cupboard or TV unit easily.

  • SUBWOOFER OUTPUT: A built in subwoofer output will allow you to connect it to a separate amplifier subwoofer for extra depth and bass to your music.

  • HIGH QUALITY SPEAKERS: When paired with the included speakers from What HiFi award winning brand Q Acoustics you have the ultimate system at a very reasonable price!

  • USB PORT: You'll find a built in USB charging port on the rear. This is to easily power a wireless streaming device such as an Amazon Alexa or Google device which you can then pair via Bluetooth or connect to the auto-on AUX input connection.

Key Features

  • Zones
    Single Zone
  • Placement
    On Wall
  • Music Sources
  • Inputs
    3.5mm AUX, RCA, Optical
  • Outputs
    Subwoofer Out, 5V USB Charger
  • Power Handling
    100 Ws
  • Driver Size
  • Max. Speakers
    Four Speakers
  • Warranty
    2 Years



    InputBluetooth, 3.5 mm AUX (Mini Jack), Analog RCA, Optical Digital In
    OutputSubwoofer Out, USB Charge, Speaker terminals (stereo)
    Frequency20 - 20000 Hz
    Impedance4 Ω
    Remote ControlYes
    Power2 x 50 Watt
    Standby<1W (EUP 2013)
    Power220 Vac ~ 50/60 Hz (EU), Internal
    Weight1.72 / 2.20 kg
    Product Dimensions195 x 194 x 70 mm
    Carton Size330 x 260 x 120 mm


    Tweeter:0.5" PEI dome
    Sensitivity:86 dB/1W
    Impedance (nominal) ohms:8ohm
    Dimensions (w x h x d):135mm x 245mm x 170mm (inc. bracket)
    Bracket hole spacing:70mm
    Woofer:4.5" Polypropylene
    Power handling:10 W to 50 W
    Frequency response:85 Hz to 20 kHz
    Warranty:5 Years

What's In The Box

    • 1 x Tangent Ampster BT II Amplifier
    • 1 x Remote Control
    • 1 x Infrared Extender Cable
    • 1 x Power Supply
    • 20m x 2 Core Speaker Cable
    • 2 x Q Acoustics Install QI45EW 4.5" Outdoor Speakers
    • Speaker Cut Out Template


Payment & Security

Secure Payments

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Maestro
  • Mastercard
  • PayPal
  • Shop Pay
  • Union Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Authorised Dealer

K&B Audio are authorised dealers for Tangent. All sales come with a 2 Years manufacturers warranty and full technical support.

Tangent Ampster BT II Bluetooth Amplifier with Q Acoustics 4.5" Outdoor Speakers - K&B Audio

Tangent Ampster BT II Bluetooth Amplifier with Q Acoustics 4.5" Outdoor Speakers

From £399.99 £529.00









Drive Type




Noise Cancelling



Single Zone

Music Sources



3.5mm AUX, RCA, Optical


Subwoofer Out, 5V USB Charger

TV Connection


Smart Features


Cut-Out Diameter


Mounting Depth


Power Handling

100 Ws



Driver Size




Frequency Response





2 Years
View Product