Its faster...and easier | Velodyne Acoustics DLS-3500, DLS-3750

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.

1☞

SPECIFICATIONS	DLS-3500	DLS-3750	DLS-4000

Cabinet (H,W,D)	15" x 12" x 18"	16.25" x 15" x 21"	18" x 15" x 21"
Frequency Response	35Hz-140Hz	28Hz-120Hz	25Hz-120Hz (±3 dB)
High Pass Crossover	Passive 85Hz	Passive 85Hz	80Hz or 100Hz
(6 dB/octave slope)
Low Pass Crossover	40Hz -120Hz (12 dB/octave, 24 dB ultimate)
Amplifier	350 watts/	375 watts/	400 watts/
(Class A/B)	160 watts RMS	175 watts RMS	200 watts RMS
	power	power	power
Woofer	8" forward firing	10" forward firing	12" forward firing
	(6.3" piston	(8.2" piston	(9.9" piston
	diameter)	diameter)	diameter)
Magnet	40 oz.	40 oz.	55 oz.
Voice Coil	2" two-layer copper	2" four-layer copper	2" four-layer copper
Inputs	Line-level and speaker-level
Outputs	Line-level and speaker-level
Warranty	Two years (parts and labor)
Weight	44 lbs. (approx.)	53 lbs. (approx.)	60 lbs. (approx.)

Specifications are subject to change without notice.

FOR YOUR RECORDS. . .

DATE PURCHASED __________________________________

DEALER_______________________________________________

SERIAL# _____________________________________________

* NOTE: Please complete and return your warranty card within ten (10) days or

It's faster...and easier

www.velodyne.com

10☞

DLS-3500, DLS-4000, DLS-3750 specifications

Velodyne Acoustics, renowned for its commitment to high-performance audio solutions, has developed a lineup of sophisticated subwoofers that stand out for their exceptional sound quality and innovative technologies. Among these models are the DLS-3750, DLS-4000, and DLS-3500, each designed to cater to different listening preferences while maintaining the brand’s hallmark of excellence.

The DLS-3750 is engineered for those who desire robust bass in a compact package. This model features a 12-inch driver combined with a built-in amplifier that delivers an impressive 375 watts of continuous power and peaks up to 750 watts. One of the standout technologies in the DLS-3750 is its digital signal processing, which ensures precise control over the frequencies and optimizes performance to minimize distortion. The adjustable crossover and phase control further allow users to tailor the output to best suit their specific acoustical environment.

Moving up the lineup, the DLS-4000 provides an even more powerful option with a 12-inch driver and a peak power output that reaches 1000 watts. The DLS-4000 integrates the same advanced DSP technology as the 3750 but enhances it with an upgraded enclosure design that improves resonance control. This results in a richer bass experience with greater depth and clarity, making it ideal for both home theater enthusiasts and audiophiles who demand high fidelity in their sound reproduction. Its user-friendly interface allows for seamless integration with existing audio systems.

Lastly, the DLS-3500, with its 10-inch driver, is tailored for listeners who may have space constraints but still desire quality high-performance bass. Despite its smaller footprint, the DLS-3500 doesn’t compromise on power, delivering a peak performance of up to 700 watts. It features adjustable tuning options to help achieve an optimal sound tailored to the specific acoustic characteristics of any room. The DLS-3500 also utilizes advanced driver materials that deliver more accurate sound reproduction throughout the low-frequency range.

In summary, the Velodyne Acoustics DLS subwoofer series exemplifies cutting-edge design and engineering. With their powerful amplification, innovative DSP technology, and customizable sound features, the DLS-3750, DLS-4000, and DLS-3500 provide compelling options for consumers seeking to elevate their audio experience. Each model, while differing in specifications, shares the core values of performance and reliability that Velodyne is known for, making them exceptional choices for a variety of audio enthusiasts.