CAUTION

RISK OF ELECTRIC SHOCK

DO NOT OPEN

Caution

To reduce the risk of electric shock, do not remove cover (or back). No user-serviceable parts inside. Refer servicing to qualified service personnel.

The lighting flash with arrowhead symbol is intended to alert the user to the presence of uninsulated "dangerous voltage" within the product's enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.

The exclamation point symbol is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the subwoofer.

1.Read Instructions -- All safety and operating instructions should be read before the subwoofer is operated.

2.Retain Instructions -- The safety and operating instructions should be retained for future reference.

3.Heed Warnings -- All warnings on the subwoofer and in the operating instructions should be adhered to.

4.Follow Instructions -- All operating and use instructions should be followed.

5.Water and Moisture -- The subwoofer should not be used near water -- for example, near a bathtub, washbowl, kitchen sink, laundry tub, in a wet basement, near a swimming pool or the like.

6.CartsandStands--Thesubwoofershouldbeusedonlywithacartorstandrecommendedbythemanufacturer.

7.Wall or Ceiling Mounting -- The subwoofer should be mounted to a wall or ceiling only as recommended by the manufacturer.

8.Ventilation -- The subwoofer should be situated so that its location or position does not interfere with its proper ventilation. For example, the subwoofer should not be situated on a bed, sofa, rug, or similar surface that may block the ventilation openings; or placed in a built-in installation such as a bookcase or cabinet that may impede the flow of air through the ventilation openings.

9.Heat -- The subwoofer should be situated away from heat sources such as radiators, heat registers, stoves, or other subwoofers that produce heat.

10.Power Sources -- The subwoofer should be connected to a power supply only of the type described in the operating instructions or as marked on the subwoofer.

11.Power-Cord Protection -- Power-supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them, paying particular attention to cords at plugs, convenience receptacles, and the point at which they exit from the subwoofer.

12."Caution:Topreventelectricalshock,matchwidebladeofplugtowideslot,fullyinserted.""Attention:Poureviter les chocs electriques, introduire lame la plus large de la fiche dans la borne correspondante de la prise et pousser jusqu' au fond".

13.Cleaning -- The subwoofer should be cleaned only as recommended by the manufacturer.

14.Nonuse Periods -- The power cord of the subwoofer should be unplugged from the outlet when left unused for

along period of time.

15.Object and Liquid Entry -- Care should be taken so that objects do not fall and liquids are not spilled onto the enclosure.

16.Damage Requiring Service -- The subwoofer should be serviced by qualified service personnel when:

a.The power-supply cord or plug has been damaged.

b.Objects have fallen or liquid has been spilled into the subwoofer.

c.The subwoofer has been exposed to rain.

d.The subwoofer does not appear to operate normally or exhibits a marked change in performance.

e.The subwoofer has been dropped or damaged.

17.Servicing -- The user should not attempt to service the subwoofer beyond what is described in the operating instructions.

All other servicing should be referred to qualified service personnel.

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Velodyne Acoustics DLS-4000R, DLS-5000R, DLS-3750R, DLS-3500R user manual Risk of Electric Shock Do not Open
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DLS-3500R, DLS-4000R, DLS-3750R, DLS-5000R specifications

Velodyne Acoustics has long established itself as a leader in audio technology, providing an extensive range of high-quality subwoofers, and the DLS series exemplifies this commitment. The DLS-3750R, DLS-4000R, DLS-3500R, and DLS-5000R subwoofers are designed to deliver powerful and clear bass, making them ideal for both home theater and high-fidelity audio enthusiasts.

The DLS series is built on Velodyne’s innovative engineering principles, featuring advanced digital signal processing (DSP) technology. This allows for precise tuning and optimization of sound performance, ensuring that users experience the best audio fidelity possible. Each model in the series boasts a unique combination of powerful amplifiers and high-performance drivers, which work together to produce deep, rich bass tones without distortion.

One of the standout features of these subwoofers is their robust build quality. The cabinets are constructed from dense MDF material, minimizing vibration and enabling clean sound reproduction. The series also includes high excursion woofers that ensure they can produce low frequencies with impressive accuracy, making them responsive to dynamic audio signals.

The DLS-3750R features a 375-watt peak power rating, providing ample punch for medium-sized rooms. In contrast, the DLS-4000R ramps up the performance with a 400-watt peak, making it suitable for larger spaces. The DLS-3500R, with its impressive 350-watt output, offers an excellent balance between size and power, while the DLS-5000R tops the lineup with an astounding 500-watt peak capacity, allowing it to fill even the most expansive environments with profound bass.

Each model also includes a variety of connectivity options. Featuring RCA inputs for easy integration into both two-channel and multi-channel systems, they accommodate a range of home audio setups. Additionally, the DLS series supports adjustable phase and low-pass filters, enabling users to customize their listening experience according to personal preferences and room acoustics.

In summary, the Velodyne Acoustics DLS series subwoofers—DLS-3750R, DLS-4000R, DLS-3500R, and DLS-5000R—represent a sophisticated blend of technology, performance, and build quality. With their advanced DSP technology, substantial power ratings, and versatile connectivity, they cater to audiophiles seeking exceptional low-frequency sound. Whether for enjoying music or enhancing movie experiences, these subwoofers offer the impressive bass response that Velodyne is renowned for, making them a worthy addition to any sound system.
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