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Subwoofer Anywhere 640 - Wireless audio transmitter and receiver for subwoofer

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With this digital audio transmitter and receiver you can make your subwoofer wireless. This way you place a subwoofer in a location where it comes into its own without the audio cables running across the floor. The Subwoofer Anywhere 640 consists of a transmitter and a receiver. Connect the transmitter to your surround set and the receiver to your subwoofer. Supply both with power and then the sound will be transmitted automatically. This set works with any brand of active subwoofer with a LINE LEVEL or LFE input.

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  • Product description
  • Points of sale
  • Technical specifications
  • Downloads
  • FAQs
  • Select the best position for your subwoofer, without any cabling lying around your living room.
  • Works with any brand of active subwoofer with a LINE LEVEL or LFE input.
  • Digital audio technology for interference-free transmission.
  • Gold plated inputs and outputs for the best connection.
  • Easy to install and use, including automatic standby function.

The Subwoofer Anywhere 640 makes your subwoofer wireless. Therefore, you can place it anywhere you want. Because bass tones are difficult to locate, you're fairly free in determining the placement of the subwoofer. There is no ideal position for every subwoofer. The cheaper models are often positioned best in a corner, while the more expensive versions often sound better when they have more room available. The type of audio can also influence the ideal position. Even more important are your personal preferences and your living room's physical situation. So, there is no other option than to test different positions. The Marmitek Subwoofer Anywhere 640 gives you extreme flexibility. How does it work? Very simple! You connect the transmitter to your surround set and the receiver to your subwoofer. Both should be powered. Then, the sound is automatically transmitted.

Points of sale

Audio transfer method Digital
Transmitter frequency 2.4 GHz
Connection with receiver Digital
Operating range Up to 100 metres line of sight, up to 20 metres through walls and ceilings.
Data transfer speed Up to 2 Mbps, GFSK modulation
Power 100-240 VAC 50/60 Hz, 5 VDC USB-C adapter or via USB-C cable
Frequency range 20 Hz - 20 kHz
Latency < 12.5 ms
Power 100-240 VAC 50/60 Hz, 5 VDC USB-C adapter or via USB-C cable
Multiple receivers
Up to 10
Interface audio input 2x RCA (stereo L/R + LFE)
Interface audio output 2x RCA (stereo L/R + LFE)
Dimensions (h x w x d) 22 x 90 x 75 mm
Dimensions incl antenna (h x w x d) 95 x 90 x 75 mm
Weight 160 grams
Linking (pairing) Automatic
Power consumption < 0.9 W (transmitter), < 0.3 W (receiver)
Standby power consumption < 0.25 W (transmitter), < 0.25 W (receiver)


Can I use multiple sets/channels simultaneously?

Yes, that is possible. You can also use multiple receivers simultaneously, enabling you to receive the same audio signal in different rooms. Additional receivers can be ordered separately.

How much is the audio delay between transmitter and receiver?

The audio delay is 12.5 ms.For your information=A delay of less than 40 ms compared to, for example, a video display does not show visible delay.

Can I connect my speakers directly to the receiver?

In order to hear sound or music, connect the receiver to an amplifier with separate (built-in) speakers or so-called active speakers (with built-in amplifier). You cannot connect passive speakers directly to the receiver.

Can I connect the USB cable from my transmitter/receiver to a USB connection on my amplifier or TV, for example?

Yes you can. But the connection is only used for powering your Audio Anywhere 630. The transmitter/receiver then switches on and off automatically in line with the amplifier or TV (auto power on).

The Audio Anywhere 630 transmitter is interfering with my Wi-Fi network.

If the transmitter interferes with the Wi-Fi network, try the following:

  •     Place the transmitter> 1 meter from the router.
  •     Select another free channel by switching the transmitter off and then on again.
  •     Place the antenna of the transmitter and receiver vertically.

No sound comes out of the audio installation.

Ensure that the audio cable is correctly connected (AUX IN), that the correct input has been selected on your audio installation and that your audio system’s volume is set to the desired level.

I can’t connect my Audio Anywhere 630.

Please make sure that the:

  •     Power adapter is connected and the power LED is on.
  •     Distance between the transmitter and receiver is not greater than 10 metres and that there are  no large obstacles in the way.
  •     Power LED is on (not blinking). If it is not on, press the ON/OFF switch.

I have connected the sound from the TV wirelessly with my audio installation but the sound is not synchronised with the picture.

Your TV needs more time to construct the picture than it does to play the sound. The sound from your TV is therefore played slightly later so that both picture and sound are synchronised.

For the best result, connect the Audio Anywhere transmitter to the audio output on your TV and not to the audio output on your settop box or satellite receiver. If you connect the transmitter to the headphone output, the TV's speakers will be disconnected and you can continue to use the TV remote control to regulate volume via the Audio Anywhere 630.

I hear a humming sound/beep.

This product operates at a 2.4GHz frequency. Therefore, it may experience interference from your Wi-Fi network. By default, Wi-Fi routers are set to channel 6 within this frequency; try changing this to channel 1 or 11. Consult your Wi-Fi router's manual for this.

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Subwoofer Anywhere 640 - Wireless audio transmitter and receiver for subwoofer