*Refurbished BOSE Wave Music System IV BT5.1

For those seeking a meticulously maintained unit, this device boasts sweet bass that belies its compact size and high-performance speakers.
Through overhauling and reducing internal electrical loss, it now performs closer to its original specifications.

★ Equipped with BT5.1 function
Sound pressure adjusted with an operational amplifier that minimizes distortion.
No charging cable needed, just pair and go.
BT also utilizes this unit's audio circuit, allowing for easy wireless BOSE sound.
No rechargeable batteries such as lithium batteries are used.

★ Fully functional, with all electrolytic capacitors replaced, a primary cause of failure.
We use components several times more expensive than general-purpose ones, carefully selecting audio-grade, long-life parts to enhance sound quality and long-term reliability.

★ Achieves longer life and higher sound quality.
The improved sound quality is effective for all audio sources, including radio, wireless terminal Pedestal, AUX, and headphone connections.

If you already own this unit, please listen and compare. You'll notice the delicate sounds that were previously thinned out due to signal loss and attenuation. While the WMS IV is known for its relatively strong, punchy low frequencies, this modification enhances its inherent strengths while also producing more delicate and vibrant tones.
Experience increased snare sustain, richer piano tones, the resonant sound of guitars, and the lifelike quality of vocals.
The immersive sound that is the hallmark of this unit is now even more vivid.
This unit, with its new tonal qualities, will continue to mature and deepen with further aging.

◆ Maintenance Details
- Replaced damaged sub-board
- Replaced all electrolytic capacitors
- Replaced amplifier thermal conductive grease
- Cleaned and greased entire CD mechanism unit
- Replaced drive belts
- Replaced drive belts
- Calibrated pickup
- Maintained all motors
- Cleaned and lubricated internal spindle motor
- Cleaned contacts of all connectors
- Inspected signals and waveforms of each circuit
- And many more

◆ Exterior
The exterior has some yellowing overall, but the color tone is uniform.
There is a crack on the back (see image).
There are minor scratches that are not noticeable but are present.

◆ Shipping Contents
- Main unit
- Acrylic stand
- Genuine original remote control
- Catalog & User Manual (printed)
- Genuine power cord
- Replacement parts
Ships via Yamato Transport, size 100
◆ Operation Guarantee
A completely free operation guarantee, including shipping costs, is provided for one year from the shipping date.

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#Bose
#wavemusicsystem
#FullyFunctional
#CDPlayer