DS31-EZ - Loudspeaker SoundTube - Free user manual and instructions

Product Type	In-ceiling/in-wall loudspeaker
Model	DS31-EZ
Brand	SoundTube
Driver Size	3-inch polypropylene cone
Frequency Response	100 Hz - 20 kHz
Impedance	8 ohms (nominal)
Sensitivity	84 dB (1W/1m)
Power Handling	20W RMS / 40W peak
Outer Dimensions (Diameter x Depth)	4.5 x 2.8 inches (114 x 71 mm)
Cutout Size	4.0 inches (102 mm) diameter
Mounting Depth	2.5 inches (64 mm)
Weight	1.5 lbs (0.7 kg)
Enclosure Material	UV-stabilized ABS plastic
Grille	White, paintable, magnetic attachment
Input Connection	Spring-loaded terminals (accepts bare wire up to 14 AWG)
Installation Features	EZ-mounting dog ears (tool-free), integral bezel
Application	Indoor, distributed audio systems, home theater
Warranty	5 years (limited)

Frequently Asked Questions - DS31-EZ SoundTube

What is the recommended amplifier power for the DS31-EZ?

Use an amplifier that delivers 10-40W RMS per channel at 8 ohms. The speaker handles up to 20W RMS, so ensure total output does not exceed this rating.

Can the DS31-EZ be used outdoors?

No, this model is designed for indoor use only. It lacks weatherproofing and UV protection required for outdoor environments.

What is the cutout size for installation?

The required cutout hole is 4.0 inches (102 mm) in diameter. Ensure depth clearance of at least 2.5 inches (64 mm).

How do I connect the speaker wires?

Strip 1/4 inch of insulation from each wire, then press the spring-loaded terminal to insert the bare wire. Ensure correct polarity (red positive, black negative).

What type of grille is included?

The speaker includes a white, paintable grille that attaches magnetically. It can be painted to match the ceiling or wall.

Can I paint the speaker grille?

Yes, the grille is paintable. Remove it, spray with thin coats of latex paint, and let dry before reattaching. Avoid painting the driver or bezel.

What is the frequency response range?

The DS31-EZ has a frequency response of 100 Hz to 20 kHz, suitable for full-range audio in distributed systems.

Can I use this speaker with a 70V/100V line system?

No, the DS31-EZ is an 8-ohm passive speaker and does not include a transformer for constant-voltage systems. Use a compatible amplifier.

How do I clean the speaker?

Use a soft, dry cloth to wipe the grille and bezel. Do not use water or cleaning chemicals as they may damage the materials.

What is the warranty period?

SoundTube provides a 5-year limited warranty against defects in materials and workmanship. Retain proof of purchase.

USER MANUAL DS31-EZ SoundTube

Install Instructions For:

DS31-EZ

Box contents

(1) Speaker assembly
(1) Cylindrical or Tapered sleeve
(1) Magnetic grille
(1) Mounting Assembly
(2) Mounting screws
(2) 2.25" sleeve screws
(2) 0.50" screws
(2) Wire nuts

Dual-Gang Junction Box (not included)

Mounting plate

Adjustment loop

	I	II	III	IV	V
100V	*	20W	10W	5W	2.5W
70V	20W	10W	5W	2.5W	1.3W
25V	5W	2.5W	1.3W	0.72W	0.36W

Tap Settings

1.435.647.9555

800.647.TUBE

www.soundtube.com

©2022 SoundTube Entertainment, Inc. All rights reserved. PN INS-DS31-EZ Rev 11.02.22

Warning Warning

SoundTube speakers must be installed by a professional audio installer/contractor. For safety and for optimum audio performance, installer must follow all directions issued by SoundTube Entertainment.

Do not spec or install speaker near support beam, ventilation duct or other structure that may interfere with speaker function or dispersion.

1. Remove speaker body from box and unravel signal wire.

1. Unpack Designer Sleeve.

1. Select tap setting on the back face of the speaker body. Each numeral setting corresponds to a wattage shown in tap setting table on back of speaker (also shown on Page 1). Use 8Ω for transformer bypass.

1. If necessary, attach safety cable by first inserting into side of mounting bracket.

1. Align safety cable with bracket slot and pull up to secure.

1. Unpack grille and attach grille safety restraint by placing the large end of the clip over the mounting bracket screw on the top face of the speaker body (the face opposite the front of the speaker).

1. You will need to slightly loosen/unscrew one of the hanging bracket screws in order to fit the safety clip underneath. Slide the safety clip until the small end snaps into place around the screw.

1. Thread signal wire through Designer Sleeve central hole, then gently slide sleeve down OVER safety clip wire and speaker body. Then use two included 2.25" Phillips-head screws to secure sleeve to speaker body (Tapered Sleeve shown).

1. If using both Cylindrical Sleeve pieces, use two included 0.50" Phillips-head screws to secure the two sleeve pieces to one another.

1. Thread signal wire through included Strain Relief Bushing.

1. Screw bushing into Designer Sleeve, pulling excess wire through until snug.

1. Tighten down top gland to secure the signal wire. Gland must be tightened around signal cable to prevent water ingress and maintain IP rating.

DS31-EZ

1. Unpack Mounting Assembly and separate hemispherical cover plate from mounting plate. Thread signal wire through hemispherical cover plate and central hole in mounting plate.

1. Where needed, connect safety leash to secure point on structure/ junction box.

1. Loop wire down through one of the smaller holes on the mounting plate, then back up through adjacent hole. Run signal wire from amplifier to the speaker and connect it to the speaker's signal wire using included wire nuts. Red is positive, black is negative.

1. Screw mounting plate into the junction box (not included) using the mounting screws provided.

1. Move cover plate up speaker wire, begin to thread cover plate into mounting plate, leaving half an inch between cover plate and mounting surface.

1. Excess wire can be hidden inside of cover plate by wrapping excess wire clockwise and into gap between plate and surface.

1. Completely thread cover plate to secure speaker.

1. Magnetically attach grille to the front of the speaker. Done.