# Tangent Ampster + Q Acoustics QI45EW 4.5" Outdoor Speakers

Create the perfect outdoor audio system with the Tangent Ampster TV II and Q Acoustics QI45EW 4.5" Outdoor Speakers bundle.

This powerful yet compact amplifier provides high-quality sound with Bluetooth streaming and HDMI ARC connectivity, making it the ideal hub for your outdoor audio setup.

Paired with the QI45EW weatherproof speakers, you’ll enjoy crystal-clear music and immersive sound in your garden, patio, or outdoor entertaining space.

The QI45EW outdoor speakers are designed to withstand the elements while delivering outstanding performance, featuring a UV-resistant enclosure and IP-rated weatherproofing.

Whether you're hosting a barbecue or relaxing in the sun, this system ensures rich, detailed sound outdoors.

**FEATURES**

**Tangent Ampster TV II – Compact & Powerful Amplifier**

-   **Bluetooth Streaming**: Stream music wirelessly from your smartphone, tablet, or laptop for convenient playback.
-   **HDMI ARC Connectivity**: Easily connect your outdoor TV for seamless audio playback and volume control via your TV remote.
-   **Compact & Stylish Design**: Sleek and space-saving, fitting effortlessly into any setup.
-   **Auto Standby & Wake-Up**: Powers on automatically when receiving a signal for ease of use.

**Q Acoustics QI45EW – Premium Outdoor Speakers**

-   **Weatherproof Design (IP Rated)**: Engineered to handle rain, humidity, and extreme temperatures, perfect for outdoor installations.
-   **4.5" Woofer & 0.75" Tweeter**: Delivers balanced, full-range sound with crisp highs and deep lows.
-   **Durable, UV-Resistant Enclosure**: Designed to withstand direct sunlight and outdoor conditions without degradation.
-   **Flexible Mounting Options**: Includes brackets for easy installation on walls, fences, or under eaves.
-   **High-Performance Audio**: Enjoy clear, powerful sound across your outdoor space with premium speaker components.

This amplifier and speaker combo is ideal for garden audio, patios, poolside setups, and covered outdoor areas, delivering high-quality sound in any weather.

###### What You Get

**AMPLIFIER**

-   1 x Amplifier
-   1 x Remote Control
-   1 x Power Cable
-   1 x User Manual

**SPEAKERS (ONE PAIR)**

-   2 x QI45EW On Wall Speakers
-   2 x Mounting Brackets
-   2 x User Manual

**SPEAKERS (TWO PAIRS)**

-   4 x QI45EW On Wall Speakers
-   4 x Mounting Brackets
-   4 x User Manual

**CABLES (ONE PAIR)**

-   20m x 2 Core Outdoor Speaker Cable

**CABLES (TWO PAIRS)**

-   30m x 2 Core Outdoor Speaker Cable

###### Specifications

AMPLIFIER

-   **Type:** TV Stereo Amplifier
-   **Bluetooth:** 5.0 AptX-HD
-   **HDMI Input:** HDMI ARC
-   **Speaker Terminals:** Binding posts
-   **Sub Out:** Yes, cut off at 200 Hz, 12 dB/oct
-   **Remote Control:** Yes
-   **DAC:** Built-in 24-Bit, 192 kHz Stereo
-   **Rated Output Power:** 2 x 50 watts @ 4 Ohms
-   **Frequency Response:** 20 Hz - 20 kHz
-   **Signal/Noise Ratio:** > 95 dBA
-   **EQ Setting:** -8 dB to +8 dB / 2 dB step at 120 Hz and inflection point beyond 1 kHz
-   **Auto ON (sources):** HDMI, Bluetooth
-   **Power Supply:** Built-in 100 - 240 V
-   **Size (without feet):** W195 x D194 x H70 mm
-   **Weight:** 1.8 kg / 2.2 kg
-   **Standby Consumption:** <0.50W (EuP 2013)

SPEAKERS

-   **Tweeter:** 0.5"PEI dome
-   **Sensitivity:** 86 dB/1W
-   **Impedance (nominal) ohms:** 8 ohm
-   **Dimensions (W x H x D):** 135mm x 245mm x 170mm
-   **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

## Details

- **Price:** 349.0 GBP - 499.0 GBP
- **Vendor:** Tangent
- **Type:** Outdoor Speaker Systems
- **Tags:** BF10, BLACK10, BLACK5, SALE5

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| One Pair / Black | 349.00 GBP | In stock |
| One Pair / White | 349.00 GBP | In stock |
| Two Pairs / Black | 499.00 GBP | In stock |
| Two Pairs / White | 499.00 GBP | In stock |

## Images

- Tangent Ampster + Q Acoustics QI45EW 4.5" Outdoor Speakers - K&B Audio
- Tangent Ampster + Q Acoustics QI45EW 4.5" Outdoor Speakers - K&B Audio
- Tangent Ampster + Q Acoustics QI65EW 6.5" Outdoor Speakers - K&B Audio
- Tangent Ampster + Q Acoustics QI65EW 6.5" Outdoor Speakers - K&B Audio
- Tangent Ampster TV II + Q Acoustics QI65C Ceiling Speakers - K&B Audio
- Tangent Ampster + Q Acoustics QI45EW 4.5" Outdoor Speakers - K&B Audio
- Tangent Ampster TV II + Q Acoustics QI65C Ceiling Speakers - K&B Audio
- Tangent Ampster + Q Acoustics QI45EW 4.5" Outdoor Speakers - K&B Audio
- Tangent Ampster + Q Acoustics QI45EW 4.5" Outdoor Speakers - K&B Audio
- [OPEN BOX] Q Acoustics QI45EW 4.5" Outdoor Speaker (Each) - White - K&B Audio

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> Source: [K&B Audio](https://www.kbaudio.co.uk/products/tangent-ampster-tv-ii-q-acoustics-qi45ew-4-5-outdoor-speakers)
> Updated: 2026-09-29