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Enjoying Home Theater

The Home Theater means that you can enjoy surround sound with a real sense of movement in your own home — just like being in 
a movie theater or concert hall.

Connecting the Speakers

Corner 
position

1/3 of wall 
position

Center speaker (SKC-338)

 

Position it close to your TV (preferably 
on top) facing forward at about ear 
level, or at the same height as the 
front left and right speakers.

Front left and right speakers (SKF-338)

 

They should be positioned facing the listener at about ear level, 
and equally spaced from the TV. Angle them inward slightly so 
as to create a triangle, with the listener at the apex.

Surround left and right speakers (SKR-338)

 

Position them at the sides of the listener, or 
slightly behind, about 60 to 100 cm (2 to 3 feet) 
above ear level. Ideally they should be equally 
spaced from the listener.

Subwoofer (SKW-338)

 

The subwoofer handles the bass sounds of the LFE (Low-Frequency Effects) 
channel. The volume and quality of the bass output from your subwoofer will 
depend on its position, the shape of your listening room, and your listening posi-
tion. In general, a good bass sound can be obtained by installing the subwoofer 
in a front corner, or at one-third the way along the front wall, as shown.

Red

White

Blue

Green

Front right 

speaker

Center speaker

Gray

Front left 

speaker

Surround right 

speaker

Surround left 

speaker

Subwoofer

Speaker Connection 
Precautions

Read the following before connecting your 
speakers:
• Turn off your receiver before making any 

connections.

• Pay close attention to speaker 

wiring polarity. Connect posi-
tive (+) terminals to only pos-
itive (+) terminals, and 
negative (–) terminals to only negative (–) 
terminals. If the speakers are wired incor-
rectly, the sound will be out of phase and 
will sound unnatural.

• Be careful not to short the positive and 

negative wires. Doing so may damage 
your amp.

Purple

Specifications

Passive Subwoofer (SKW-338)

Front Speakers (SKF-338)

Center Speaker (SKC-338)

Surround Speakers (SKR-338)

Specifications and appearance are subject to change without 
prior notice.

Type

Bass-reflex type Passive subwoofer

Impedance

Maximum output power

130 W

Sensitivity

82 dB/W/m

Frequency response

30 Hz to 150 Hz

Cabinet capacity

24 L (0.8 cubic feet)

Dimensions (W 

×

 H 

×

 D)

211 mm 

×

 425 mm 

×

 381 mm

(8-5/16" 

×

 16-3/4" 

×

 15")

(incl. projection)

Weight

5.5 kg (12.1 lbs.)

Drivers unit

16 cm (6-5/16") Cone 

×

 1

Terminal

Spring type color coded

Power consumption

50 W

Type

Full Range Bass-reflex

Impedance

Maximum input power

120 W

Sensitivity

82 dB/W/m

Frequency response

80 Hz to 20 kHz

Cabinet capacity

1.0 L (0.036 cubic feet)

Dimensions (W 

×

 H 

×

 D)

101 mm × 161 mm × 111 mm
(4" 

×

 6-5/16" 

×

 4-3/8")

(incl. grille and projection)

Weight

0.8 kg (1.76 lbs.)

Drivers unit

8 cm (3-1/4") Cone 

×

 1

Terminal

Spring type color coded

Keyhole slot

1

Grille

Fixed

Other

Magnetic shielding

Type

Full Range Bass-reflex

Impedance

Maximum input power

120 W

Sensitivity

82 dB/W/m

Frequency response

80 Hz to 20 kHz

Cabinet capacity

1.4 L (0.05 cubic feet)

Dimensions (W 

×

 H 

×

 D)

230 mm 

×

 102 mm 

×

 113 mm

 (9-1/16" 

×

 4" 

×

 4-7/16")

(incl. grille and projection)

Weight

0.9 kg (2.0 lbs.)

Drivers unit

8 cm (3-1/4") Cone 

×

 1

Terminal

Spring type color coded

Keyhole slot

2

Grille

Fixed

Other

Magnetic shielding

Type

Full Range Bass-reflex

Impedance

Maximum input power

120 W

Sensitivity

82 dB/W/m

Frequency response

80 Hz to 20 kHz

Cabinet capacity

1.0 L (0.036 cubic feet)

Dimensions (W 

×

 H 

×

 D)

101 mm 

×

 161 mm 

×

 111 mm 

(4" 

×

 6-5/16" 

×

 4-3/8")

(incl. grille and projection)

Weight

0.7 kg (1.3 lbs.)

Drivers unit

8 cm (3-1/4") Cone 

×

 1

Terminal

Spring type color coded

Keyhole slot

1

Grille

Fixed

*2

Non-magnetic shielding.

Caution

• The front grilles are not designed to be removed so do not attempt 

to remove them forcibly, as this will damage them.

Using the Floor Pads for Subwoofer

If the subwoofer is placed on a hard 
floor (wood, vinyl, tile, etc.) and 
playback is very loud, the sub-
woofer’s feet may damage the floor-
ing. To prevent this, place the 
supplied pads underneath the sub-
woofer’s feet. The pads also provide 
a stable base for the subwoofer.

Subwoofer (SKW-338)

Subwoofer

*2

Speaker cable 3.0 m 

(10 ft.)

 

4 floor pads

 

(Purple)

Speaker terminals

 

Pad

5.1ch Home Theater Speaker Package

HTP-338

SN 29400401

Y1001-1

(C) Copyright 2010 ONKYO CORPORATION Japan. All rights reserved.

*   2   9   4   0   0   4   0   1   *

Sales & Product Planning Div. : 2-1, Nisshin-cho, Neyagawa-shi, OSAKA 572-8540, JAPAN
Tel: 072-831-8023  Fax: 072-831-8163

ONKYO U.S.A. CORPORATION

18 Park Way, Upper Saddle River, N.J. 07458, U.S.A.
Tel: 800-229-1687, 201-785-2600  Fax: 201-785-2650  http://www.us.onkyo.com/

ONKYO EUROPE ELECTRONICS GmbH

Liegnitzerstrasse 6, 82194 Groebenzell, GERMANY
Tel: +49-8142-4401-0 Fax: +49-8142-4401-555  http://www.eu.onkyo.com/

ONKYO EUROPE ELECTRONICS GmbH (UK BRANCH)

The Coach House 81A High Street, Marlow, Buckinghamshire, SL7 1AB, UK
Tel: +44-(0)1628-473-350  Fax: +44-(0)1628-401-700

ONKYO CHINA LIMITED

Unit 1 & 12, 9/F, Tower 1, Ever Gain Plaza, 88, Container Port Road, Kwai Chung, 
N.T., Hong Kong.  Tel: 852-2429-3118  Fax: 852-2428-9039
http://www.ch.onkyo.com/

Wall Mounting

Using the Rubber Stoppers for a More Stable Platform

Front speaker (SKF-338)

Surround speaker (SKR-338)

Center speaker (SKC-338)

Front speakers

*1

Speaker cables 3.5 m

 

(11 ft.)

Surround speakers

*2

Speaker cables 8.0 m 

(26 ft.)

Center speaker

*1

 

Speaker cable 3.0 m

(10 ft.)

*1

For magnetic shielding.

*2

Non-magnetic shielding.

*3

Configuration of the rubber stoppers may be different from the figure, such as being 
2 sheets instead of 1 sheet, but the total number will be same.

16 thin rubber stoppers

*3

12 thick rubber stoppers

*3

Caution

• The front grilles are not designed to be removed so do not 

attempt to remove them forcibly, as this will damage 
them.

To mount the front/surround speakers vertically, use the 
keyhole slot shown to hang each speaker on a screw that’s 
securely screwed into the wall.

To mount the center speaker horizontally, use the two key-
hole slots shown to hang each speaker on two screws that 
are securely screwed into the wall.

Caution

• A mounting screw’s ability to support a 

speaker depends on how well it’s 
anchored to the wall. If you have hol-
low walls, screw each mounting screw 
into a stud. If there are no studs, or the 
walls are solid, use suitable wall 
anchors. Use screws with a head diame-
ter of 9 mm (5/16") or less and a shank diameter of 4 mm 
(1/8") or less. With hollow walls, use a cable/pipe detec-
tor to check for any power cables or water pipes before 
making any holes. 

• Leave a gap of between 5 mm (3/16") and 10 mm 

(7/16") between the wall and the base of the screw head, 
as shown. (We recommend that you consult a home instal-
lation professional.)

We recommend using the supplied rubber stoppers to 
achieve the best possible sound from your speakers. The 
rubber stoppers prevent the speakers from moving, provid-
ing a more stable platform. Use thick stoppers for the cen-
ter speaker, and thin stoppers for the other speakers.

(White)

(Red)

(Blue)

(Gray)

(Green)

Speaker terminals

 

Keyhole slot

 

SKF-338
SKR-338

Speaker terminals

 

Keyhole slots

 

SKC-338

Keyhole slot for 
wall mounting

Thick rubber 
stoppers

Keyhole slots for wall mounting

 183 mm (7-3/16")

Thick rubber 
stoppers

Wall

5 to 10 mm
(3/16" to 7/16")

Thin rubber stoppers

Bottom of the 
SKR-338

Bottom of the 
SKF-338

Bottom of the 
SKC-338

50 mm
(1-15/16")

12 mm (1/2")

Thick rubber stoppers

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