Blue Top 15mm Knob For Splined 6mm Spindle

Diameter: 15mm
Height: 17mm
Inner Hole Diameter: 6mm

Adastra 2 x 30 Watt In-Wall Stereo Amplifier with Bluetooth with Power Supply and Speaker Cable

2 Way 30W Stereo amplifier for background music and public address in a small housing for installation into cavity walls and ceilings.

Class-D amplifier for clean and efficient sound at minimal heat dissipation.

Internal digital switch-mode power section, with easy mains connection.

Bluetooth enables wireless streaming of audio from a smart phone, tablets and other devices.

3.5mm Aux and optical inputs,

Discreet and trouble-free installation without any need for table-top or cabinet installation, these amplifiers can be combined with many different speaker types to provide the ideal sound system for any small to medium space or deployed in numbers to create a wide area sound installation.

• Fig.8 mains power input
• Bluetooth on/off defeat switch
• Optical digital audio input
• 3.5mm stereo Aux input and output
• Onboard master volume control
• Bluetooth with unique serial ID

Amazingly Powerful Class D Stereo Amplifier: 300W+300W. Price Includes Free 36V Mains Power Supply
 

Using the high-efficiency TPA3255 IC, this little amplifier produces a crystal clear sound with almost no detectable distortion and noise at normal line-level input. Measures only 168mm x 114mm x 32mm.

Comes complete with low noise power-supply for mains connection or can be driven from 24-48VDC (i.e. Home or Car)

An ideal amp for anywhere, fitting neatly into small spaces at amazing power and clarity. Can be located anywhere (houses, offices, cars, vans, boats etc.)

This version has bass and treble control potentiometers, allowing for a more precise tone configuration. It also has an input selector switch that can cycle between Bluetooth input and RCA input. 

Specification:

• Output Power: 300W + 300W @4Ω Load
• Size: 168mm x 114mm x 32mm
• THD: 0.002% @ R_l = 4Ω, 1W
• Power Supply: 36V 6A DC (included)
• Freq response: 20Hz to 20kHz (±1.5dB)
• Output impedance: 4 to 8 ohms
• Input: 2 x RCA (phono) sockets, Bluetooth 5.2
• Output: 4mm binding posts, 3.5mm stereo socket 

adastra A2 Stereo PA Amplifier 2 x 200W

• Inbuilt media player section offers playback of mp3 audio tracks from USB drive or SD card .
• Bluetooth receiver and FM radio tuner.
• A rotary switch selects between 2 rear stereo inputs, a front 3.5mm stereo input or the built-in media player.
• Speaker connections on the rear panel are via 4mm binding posts.
• Drives up to 2 x 8 Ohm speakers per channel at 2 x 200W.
• Designed to offer installers a flexible solution for PA and music playback in bars, restaurants and function rooms.
• Media player with USB/SD playback
• FM radio tuner with external aerial connection
• Bluetooth receiver

adastra A4 Dual Stereo PA Amplifier 4 x 200W

Fully featured PA amplifier with 2 independent stereo zone outputs.with mixer section for 2 microphones and a stereo audio source

• Inbuilt media player section offers playback of mp3 audio tracks from USB drive or SD card .

• Bluetooth receiver and FM radio tuner.

• A rotary switch for each output zone selects the stereo playback audio from a choice of 2 rear stereo inputs, a front 3.5mm stereo input or the built-in media player. 

•  2 pairs of speaker connections on the rear panel are via 4mm binding posts, 

• Mic inputs 1 & 2 are live to both output zones at all times, driving up to 2 x 8 Ohm speakers on each of 4 channels up to 4 x 200W. 

• Designed to offer installers a flexible solution for PA and music playback in bars, restaurants and function rooms.

• Media player with USB/SD playback

• FM radio tuner with external aerial connection

• Bluetooth receiver

Specification

Power supply 230Vac, 50Hz (IEC)

Fuse F5A, 250V

Output power rms @ 4 Ohms 4 x 200W

Output power rms @ 8 Ohms 4 x 100W

Amplifier : Class D

Frequency response 20Hz - 20kHz

Microphone inputs 2 x 6.3mm jack

Line inputs Line 1: L+R (6.3mm jack/RCA), Line 2: L+R (RCA)

Line Input sensitivity : 0.775Vrms

Auxiliary input 3.5mm stereo jack

Auxilliary input sensitivity : aux 0.480Vrms

Input impedance 20k Ohms (balanced), 10k Ohms (unbalanced)

Audio source USB/SD mp3 playback, FM tuner, BT receiver

Bluetooth version 2.3

Input controls Aux, Media, Line1, Line2, Mic1, Mic2, Talkover

Line output 4 x RCA

Speaker outputs 4mm binding posts (4 channels)

Antenna connection F type (FM tuner)

Output controls 2 x source select, 2 xBass, 2 xTreble, Ch1, Ch2, Ch3, Ch4

Dynamic range 92dB

THD +N  Less than 0.1%

Protection Thermal, over-current, over-voltage, short-circuit

Dimensions 482 x 240 x 88mm

Weight 5.98kg

adastra A6 Triple Stereo PA Amplifier 6 x 200W

• Inbuilt media player section offers playback of mp3 audio tracks from USB drive or SD card .
• Bluetooth receiver and FM radio tuner.
• A rotary switch for each output zone selects the stereo playback audio from a choice of 2 rear stereo inputs, a front 3.5mm stereo input or the built-in media player. 
•  3 pairs of speaker connections on the rear panel are via screw terminal connections, 
• Mic inputs 1 & 2 are live to both output zones at all times, driving up to 2 x 8 Ohm speakers on each of 6 channels up to 6 x 200W. 
• Designed to offer installers a flexible solution for PA and music playback in bars, restaurants and function rooms.
• Media player with USB/SD playback
• FM radio tuner with external aerial connection
• Bluetooth receiver

adastra A8 Quad Stereo PA Amplifier 8 x 200W

• Inbuilt media player section offers playback of mp3 audio tracks from USB drive or SD card .
• Bluetooth receiver and FM radio tuner.
• A rotary switch for each output zone selects the stereo playback audio from a choice of 2 rear stereo inputs, a front 3.5mm stereo input or the built-in media player. 
•  4 pairs of speaker connections on the rear panel are via screw terminal connections, 
• Mic inputs 1 & 2 are live to both output zones at all times, driving up to 2 x 8 Ohm speakers on each of 8 channels up to 8 x 200W. 
• Designed to offer installers a flexible solution for PA and music playback in bars, restaurants and function rooms.
• Media player with USB/SD playback
• FM radio tuner with external aerial connection
• Bluetooth receiver

Bright Blue 5mm LED Water Clear. 2400mcd, 3.0-3.2V 20mA 

qtx KAD2BT Digital Stereo Amplifier with Bluetooth - with Karaoke Functions

Compact digital amplifier with three selectable stereo inputs & two microphone inputs, delivering up to 55W max. per channel. 

4 Way Ceiling Speaker System - 2 x 200W

Fully featured, easy to install 4 speaker system with Bluetooth, media player, microphone and line audio input. Featuring 4 high quality, rubber surround ceiling speakers with ferrofluid-cooled adjustable silk dome tweeters for a high quality HiFi listening experience. These speakers have a high dispersion angle (155°), which helps distribuite sound over a large area without the need for additional speakers. 

This package includes: 4 x Adastra C6D ceiling speakers,  1 x Adastra A2 Mixer-Amp and 100 metres of white speaker cable. 

All our systems are bespoke; they are not pre-boxed kits; just phone 020 8452 0161 if you wish to change anything. 

Features: 

• Easy to install

• Built-in tone control allows you to tailor the sound to your taste and listening environment

• Microphone, USB, SD, Bluetooth, AUX and Line inputs make it easy to connect to your sound source

• USB and SD inputs can be controlled via the remote control

• HiFi ceiling speakers provide excellent audio quality, unlike many other ceiling speakers

• Input selector switch allows you to change the sound input without unplugging cables
   

Technical Specifications:

Amplifier: 

• Output power RMS @ 4Ω : 2 x 200W
• Amplifier class: Class D
• Microphone inputs: 2 x 6.3mm (1/4") mono jack
• Line inputs: 4 x RCA sockets (Line 1 &2 ) + 2 x 6.3mm (1/4") mono jacks
• Line input sensitivity: 0.775V_RMS
• AUX input: 3.5mm (1/8") stereo jack
• AUX input sensitivity: 0.48V_RMS
• Bluetooth version: 2.3
• Line output: 2 x RCA
• Speaker outputs: 4 x 4mm binding posts
• FM Antenna connection: F-type socket
• THD + N: < 0.1%
• Output controls: Source select, bass, treble, Ch1, Ch2
• Input controls: Aux, Media, Line1, Line2, Mic1, Mic2, Talkover
• Protection: Thermal, over-current, over-voltage, short-circuit
• Dimensions: 482 x 260 x 88mm
• Weight: 5.21kg
• Fuse: F5A, 250V 

Speakers:

• Power Max.: 100W
• Impedance: 8Ω
• Sensitivity @ 1W/1m: 85dB(±2dB)
• Cutout: 193mm dia.
• Mounting depth: 79mm
• Dimensions: 93 x 227mm 
• Frequency response: 60Hz - 20kHz

4 Wall Speaker System - 400W Maximum

Fully featured, easy to install 4 speaker system with Bluetooth, media player, microphone and line audio input. Included in this system are 4 Adastra BC5W HiFi speakers featuring 1" balanced dome tweeters and 5.25" rubber-edge speakers for a crystal clear audio reproduction. These speakers can be wall or ceiling surface mounted via the included adjustable steel bracket, or free standing. The trapezoidal shape allows for the speakers to be mounted neatly into corners.

This package includes: 4 x Adastra BC5W HiFi Speakers,  1 x Adastra A2 Mixer-Amp and 100 metres of white speaker cable. 

All our systems are bespoke; they are not pre-boxed kits; just phone 020 8452 0161 if you wish to change anything. 

Features: 

• Easy to install

• Built-in tone control allows you to tailor the sound to your taste and listening environment

• Microphone, USB, SD, Bluetooth, AUX and Line inputs make it easy to connect to your sound source

• USB and SD inputs can be controlled via the remote control

• HiFi speakers provide excellent audio quality

• Input selector switch allows you to change the sound input without unplugging cables
   

Technical Specifications:

Amplifier: 

• Output power RMS @ 4Ω : 2 x 200W
• Amplifier class: Class D
• Microphone inputs: 2 x 6.3mm (1/4") mono jack
• Line inputs: 4 x RCA sockets (Line 1 &2 ) + 2 x 6.3mm (1/4") mono jacks
• Line input sensitivity: 0.775V_RMS
• AUX input: 3.5mm (1/8") stereo jack
• AUX input sensitivity: 0.48V_RMS
• Bluetooth version: 2.3
• Line output: 2 x RCA
• Speaker outputs: 4 x 4mm binding posts
• FM Antenna connection: F-type socket
• THD + N: < 0.1%
• Output controls: Source select, bass, treble, Ch1, Ch2
• Input controls: Aux, Media, Line1, Line2, Mic1, Mic2, Talkover
• Protection: Thermal, over-current, over-voltage, short-circuit
• Dimensions: 482 x 260 x 88mm
• Weight: 5.21kg
• Fuse: F5A, 250V 

Speakers:

• Power Max.: 90W
• Impedance: 8Ω
• Sensitivity @ 1W/1m: 88dB(±2dB)
• Weight: 2kg (each)
• Dimensions: 180 x 240 x 180mm 
• Frequency response: 100Hz - 20kHz

8 Way Ceiling Speaker System - 4 x 200W

Fully featured, easy to install 8 speaker system with Bluetooth, media player, microphone and line audio input. Featuring 8 high quality, rubber surround ceiling speakers with ferrofluid-cooled adjustable silk dome tweeters for a high quality HiFi listening experience. These speakers have a high dispersion angle (155°), which helps distribuite sound over a large area without the need for additional speakers. 

This package includes: 8 x Adastra C6D ceiling speakers,  1 x Adastra A4 Mixer-Amp and 100 metres of white speaker cable. 

All our systems are bespoke; they are not pre-boxed kits; just phone 020 8452 0161 if you wish to change anything. 

Features: 

• Easy to install

• Built-in tone control allows you to tailor the sound to your taste and listening environment

• Microphone, USB, SD, Bluetooth, AUX and Line inputs make it easy to connect to your sound source

• USB and SD inputs can be controlled via the remote control

• HiFi ceiling speakers provide excellent audio quality, unlike many other ceiling speakers

• Input selector switch allows you to change the sound input without unplugging cables
   

Technical Specifications:

Amplifier: 

• Output power RMS @ 4Ω : 4 x 200W
• Amplifier class: Class D
• Microphone inputs: 2 x 6.3mm (1/4") mono jack
• Line inputs: 4 x RCA sockets (Line 1 & 2 ) + 2 x 6.3mm (1/4") mono jacks (Line 1)
• Line input sensitivity: 0.775V_RMS
• AUX input: 3.5mm (1/8") stereo jack
• AUX input sensitivity: 0.48V_RMS
• Bluetooth version: 2.3
• Line output: 4 x RCA
• Speaker outputs: 8 x 4mm binding posts (4 channels)
• FM Antenna connection: F-type socket
• THD + N: < 0.1%
• Output controls: 2 x Source select, 2 x bass, 2 x treble, Ch1, Ch2, Ch3, Ch4
• Input controls: Aux, Media, Line1, Line2, Mic1, Mic2, Talkover
• Protection: Thermal, over-current, over-voltage, short-circuit
• Dimensions: 482 x 260 x 88mm
• Weight: 5.98kg
• Fuse: F5A, 250V 

Speakers:

• Power Max.: 100W
• Impedance: 8Ω
• Sensitivity @ 1W/1m: 85dB(±2dB)
• Cutout: 193mm dia.
• Mounting depth: 79mm
• Dimensions: 93 x 227mm 
• Frequency response: 60Hz - 20kHz

12 Way Ceiling Speaker System - 6 x 200W

Fully featured, easy to install 12 speaker system with Bluetooth, media player, microphone and line audio input. Featuring 12 high quality, rubber surround ceiling speakers with ferrofluid-cooled adjustable silk dome tweeters for a high quality HiFi listening experience. These speakers have a high dispersion angle (155°), which helps distribuite sound over a large area without the need for additional speakers. 

This package includes: 12 x Adastra C6D ceiling speakers,  1 x Adastra A6 Mixer-Amp and 200 metres of white speaker cable. 

All our systems are bespoke; they are not pre-boxed kits; just phone 020 8452 0161 if you wish to change anything. 

Features: 

• Easy to install

• Built-in tone control allows you to tailor the sound to your taste and listening environment

• Microphone, USB, SD, Bluetooth, AUX and Line inputs make it easy to connect to your sound source

• USB and SD inputs can be controlled via the remote control

• HiFi ceiling speakers provide excellent audio quality, unlike many other ceiling speakers

• Input selector switch allows you to change the sound input without unplugging cables
   

Technical Specifications:

Amplifier: 

• Output power RMS @ 4Ω : 6 x 200W
• Amplifier class: Class D
• Microphone inputs: 2 x 6.3mm (1/4") mono jack
• Line inputs: 4 x RCA sockets (Line 1 & 2 ) + 2 x 6.3mm (1/4") mono jacks (Line 1)
• Line input sensitivity: 0.775V_RMS
• AUX input: 3.5mm (1/8") stereo jack
• AUX input sensitivity: 0.48V_RMS
• Bluetooth version: 2.3
• Line output: 6 x RCA
• Speaker outputs: 3 x 4 Terminal Pheonix (Euroblock) 
• FM Antenna connection: F-type socket
• THD + N: < 0.1%
• Output controls: 3 x Source select, Channel 1-6 Level
• Input controls: Aux, Media, Line1, Line2, Mic1, Mic2, Talkover
• Protection: Thermal, over-current, over-voltage, short-circuit
• Dimensions: 482 x 260 x 88mm
• Weight: 5.98kg
• Fuse: F5A, 250V 

Speakers:

• Power Max.: 100W
• Impedance: 8Ω
• Sensitivity @ 1W/1m: 85dB(±2dB)
• Cutout: 193mm dia.
• Mounting depth: 79mm
• Dimensions: 93 x 227mm 
• Frequency response: 60Hz - 20kHz

16 Way Ceiling Speaker System - 8 x 200W

Fully featured, easy to install 16 speaker system with Bluetooth, media player, microphone and line audio input. Featuring 16 high quality, rubber surround ceiling speakers with ferrofluid-cooled adjustable silk dome tweeters for a high quality HiFi listening experience. These speakers have a high dispersion angle (155°), which helps distribuite sound over a large area without the need for additional speakers. 

This package includes: 16 x Adastra C6D ceiling speakers,  1 x Adastra A8 Mixer-Amp and 200 metres of white speaker cable. 

All our systems are bespoke; they are not pre-boxed kits; just phone 020 8452 0161 if you wish to change anything. 

Features: 

• Easy to install

• Built-in tone control allows you to tailor the sound to your taste and listening environment

• Microphone, USB, SD, Bluetooth, AUX and Line inputs make it easy to connect to your sound source

• USB and SD inputs can be controlled via the remote control

• HiFi ceiling speakers provide excellent audio quality, unlike many other ceiling speakers

• Input selector switch allows you to change the sound input without unplugging cables
   

Technical Specifications:

Amplifier: 

• Output power RMS @ 4Ω : 8 x 200W
• Amplifier class: Class D
• Microphone inputs: 2 x 6.3mm (1/4") mono jack
• Line inputs: 4 x RCA sockets (Line 1 & 2 ) + 2 x 6.3mm (1/4") mono jacks (Line 1)
• Line input sensitivity: 0.775V_RMS
• AUX input: 3.5mm (1/8") stereo jack
• AUX input sensitivity: 0.48V_RMS
• Bluetooth version: 2.3
• Line output: 8 x RCA
• Speaker outputs: 4 x 4 Terminal Pheonix (Euroblock) 
• FM Antenna connection: F-type socket
• THD + N: < 0.1%
• Output controls: 3 x Source select, Channel 1-8 Level
• Input controls: Aux, Media, Line1, Line2, Mic1, Mic2, Talkover
• Protection: Thermal, over-current, over-voltage, short-circuit
• Dimensions: 482 x 300 x 88mm
• Weight: 5.98kg
• Fuse: F5A, 250V 

Speakers:

• Power Max.: 100W
• Impedance: 8Ω
• Sensitivity @ 1W/1m: 85dB(±2dB)
• Cutout: 193mm dia.
• Mounting depth: 79mm
• Dimensions: 93 x 227mm 
• Frequency response: 60Hz - 20kHz

Bluetooth Audio Transmitter & Receiver with Built in Battery

•  Easy Pair System
•  3.5mm Stereo Connection
•  LED indicator for power and connection
•  10m Bluetoothe Range
•  Use as a transmitter for up to 8 hours
•  Use as a receiver for up to 6 hours  

Arduino compatible 128 x 64 blue OLED display

Blue High Intensity 3mm Water Clear LED 470nm, 1000mcd. VF= 3.2V typ, 30mA max

Bluetooth Stereo HiFi Amplifier Module

Class D miniature Bluetooth amplifier module that offers low THD+N which allows it to achieve high quality sound reproduction.
The volume can be adjusted by holding the on-board switches lablled "+" and "-".  

Specifications:
Output power: 5W Max x 2
Input voltage: 5V DC
SNR: 80dB @ 1kHz
THD + N: 0.15% @ 1kHz, 1W 
Size: 45mm x 42mm x 25mm
Connections: 2 Pin JST XH x 3

Bluetooth Stereo HiFi Receiver Module

USB Powered Bluetooth receiver module with stereo 3.5mm jack output. Can also be powered by a battery (3.7V - 5V).

Specifications:
Output: 3.5mm stereo jack OR SMD solder pads
Power Input: 3.7V - 5V
SNR: 90dB
THD + N: -70dB
Crosstalk: -86dB
Supported control profiles: A2DP, AVCTP, AVDTP, AVRCP, HFP

Crimp Connector Blue bullet 4mm dia, For 1.5 - 2.5mm wire. Priced for pack of 10

Crimp Connector Blue 6mm Flat Male, For 1.5 - 2.5mm wire. Priced per pack of 10

Crimp Connector Blue Butt Splice, For Joining 2 x 1.5 - 2.5mm wire. Priced per pack of 10

Crimp Connector Blue bullet 4mm dia. For 1.5 - 2.5mm.wire. Price for pack of 10

Crimp Connector Blue Insulated 5mm Bullet Receptacle, For 1.5 - 2.5mm wire. Priced per pack of 10

Crimp Connector Blue 6mm Eye, For 1.5 - 2.5mm wire. Price for pack of 10

Crimp Connector Blue Female 6mm Flat Receptacle, For 1.5 - 2.5mm wire. Price for pack of 10

Crimp Connector Blue Female 4.8mm Flat Receptacle, For 1.5 - 2.5mm wire. Price for pack of 10

Crimp Connector Blue Insulated Female 6mm Flat Receptacle, For 1.5 - 2.5mm wire. Priced per pack of 10

Crimp Connector Blue 4mm Fork, For 1.5 - 2.5mm wire. Price for pack of 10

Crimp Connector Blue Eye 4mm dia, For 1.5 - 2.5mm wire.Price for pack of 10