VOLUME CONTROL CIRCUIT Audio Control ICs 565

Reset All
Part RoHS Manufacturer General IC Type Temperature Grade Terminal Form No. of Terminals Package Code Package Shape Package Body Material Surface Mount No. of Functions No. of Channels Technology Screening Level Nominal Bandwidth Maximum Supply Current Channel Separation Power Supplies (V) Harmonic Distortion Package Style (Meter) Package Equivalence Code Sub-Category Terminal Pitch Maximum Operating Temperature Gain No. of Bands Minimum Operating Temperature Terminal Finish Terminal Position JESD-30 Code Moisture Sensitivity Level (MSL) Maximum Supply Voltage (Vsup) Nominal Output Power Maximum Seated Height Width Qualification Minimum Supply Voltage (Vsup) Additional Features JESD-609 Code Maximum Time At Peak Reflow Temperature (s) Peak Reflow Temperature (C) Nominal Noise Figure Length

MAX97003EWP+

Analog Devices

VOLUME CONTROL CIRCUIT

INDUSTRIAL

BALL

20

VFBGA

RECTANGULAR

PLASTIC/EPOXY

YES

1

2

83 dB

GRID ARRAY, VERY THIN PROFILE, FINE PITCH

.4 mm

85 Cel

1

-40 Cel

TIN SILVER COPPER NICKEL

BOTTOM

R-PBGA-B20

1

2 V

.69 mm

1.935 mm

1.6 V

e2

30

260

2.345 mm

MAX9775ETJ+

Analog Devices

VOLUME CONTROL CIRCUIT

INDUSTRIAL

NO LEAD

32

HVQCCN

SQUARE

UNSPECIFIED

YES

1

2

BICMOS

18 mA

75 dB

3.3

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC32,.2SQ,20

Audio/Video Amplifiers

.5 mm

85 Cel

-40 Cel

Matte Tin (Sn) - annealed

QUAD

S-XQCC-N32

1

5.5 V

.8 mm

5 mm

Not Qualified

2.7 V

e3

5 mm

MAX97003EWP+T

Analog Devices

VOLUME CONTROL CIRCUIT

TIN SILVER COPPER NICKEL

1

e2

30

260

MAX9875ERP+TG45

Analog Devices

VOLUME CONTROL CIRCUIT

INDUSTRIAL

BALL

20

VFBGA

RECTANGULAR

PLASTIC/EPOXY

YES

1

1

BICMOS

16 mA

65 dB

3.7

GRID ARRAY, VERY THIN PROFILE, FINE PITCH

BGA20,4X5,20

Audio/Video Amplifiers

.5 mm

85 Cel

-40 Cel

BOTTOM

R-PBGA-B20

5.25 V

.67 mm

2.02 mm

Not Qualified

2.7 V

NOT SPECIFIED

NOT SPECIFIED

2.64 mm

MAX9776ETJ+T

Analog Devices

VOLUME CONTROL CIRCUIT

INDUSTRIAL

NO LEAD

32

HVQCCN

SQUARE

UNSPECIFIED

YES

1

1

BICMOS

18 mA

75 dB

3.3

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC32,.2SQ,20

Audio/Video Amplifiers

.5 mm

85 Cel

-40 Cel

MATTE TIN

QUAD

S-XQCC-N32

1

5.5 V

.8 mm

5 mm

Not Qualified

2.7 V

e3

30

260

5 mm

MAX9776ETJ+

Analog Devices

VOLUME CONTROL CIRCUIT

INDUSTRIAL

NO LEAD

32

HVQCCN

SQUARE

UNSPECIFIED

YES

1

1

BICMOS

18 mA

75 dB

3.3

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC32,.2SQ,20

Audio/Video Amplifiers

.5 mm

85 Cel

-40 Cel

MATTE TIN

QUAD

S-XQCC-N32

1

5.5 V

.8 mm

5 mm

Not Qualified

2.7 V

e3

30

260

5 mm

LV3311PNM-TLM-E

Onsemi

VOLUME CONTROL CIRCUIT

INDUSTRIAL

GULL WING

44

QFP

SQUARE

PLASTIC/EPOXY

YES

BICMOS

8

FLATPACK

QFP44,.52SQ,32

Audio Control ICs

.8 mm

85 Cel

-40 Cel

TIN BISMUTH

QUAD

S-PQFP-G44

3

Not Qualified

e6

30

260

LC75344MD-AH

Onsemi

VOLUME CONTROL CIRCUIT

COMMERCIAL EXTENDED

GULL WING

10

SSOP

RECTANGULAR

PLASTIC/EPOXY

YES

CMOS

9

SMALL OUTLINE, SHRINK PITCH

SOP10,.25,40

Audio Control ICs

1 mm

75 Cel

-30 Cel

MATTE TIN

DUAL

R-PDSO-G10

3

Not Qualified

e3

30

260

LV3327PV

Onsemi

VOLUME CONTROL CIRCUIT

INDUSTRIAL

GULL WING

16

SSOP

RECTANGULAR

PLASTIC/EPOXY

YES

BICMOS

5

SMALL OUTLINE, SHRINK PITCH

SSOP16,.25

Audio Control ICs

.635 mm

85 Cel

-40 Cel

DUAL

R-PDSO-G16

Not Qualified

STA380BW

STMicroelectronics

VOLUME CONTROL CIRCUIT

COMMERCIAL

NO LEAD

48

HVQCCN

SQUARE

UNSPECIFIED

YES

1

3

60 mA

80 dB

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC48,.27SQ,20

.5 mm

70 Cel

2

0 Cel

QUAD

S-XQCC-N48

26 V

1 mm

7 mm

4.5 V

7 mm

TS4851EIJT

STMicroelectronics

VOLUME CONTROL CIRCUIT

INDUSTRIAL

BALL

18

VFBGA

RECTANGULAR

PLASTIC/EPOXY

YES

1

2

11 mA

3.3/5

1 %

GRID ARRAY, VERY THIN PROFILE, FINE PITCH

FLIP CHIP

Audio/Video Amplifiers

.5 mm

85 Cel

-40 Cel

BOTTOM

R-PBGA-B18

5.5 V

.63 mm

2.17 mm

Not Qualified

3 V

NOT SPECIFIED

NOT SPECIFIED

2.44 mm

STA380BWTR

STMicroelectronics

VOLUME CONTROL CIRCUIT

COMMERCIAL

NO LEAD

48

HVQCCN

SQUARE

UNSPECIFIED

YES

1

3

60 mA

80 dB

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC48,.27SQ,20

.5 mm

70 Cel

2

0 Cel

QUAD

S-XQCC-N48

26 V

1 mm

7 mm

4.5 V

7 mm

STA369BWSTR

STMicroelectronics

VOLUME CONTROL CIRCUIT

COMMERCIAL

GULL WING

36

SSOP

RECTANGULAR

PLASTIC/EPOXY

YES

3.3,18

SMALL OUTLINE

SSOP36,.4,20

Other Consumer ICs

.5 mm

70 Cel

-20 Cel

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G36

3

Not Qualified

e3

30

260

A22H165M

STMicroelectronics

VOLUME CONTROL CIRCUIT

NOT SPECIFIED

NOT SPECIFIED

STA369BWS

STMicroelectronics

VOLUME CONTROL CIRCUIT

COMMERCIAL

GULL WING

36

SSOP

RECTANGULAR

PLASTIC/EPOXY

YES

3.3,18

SMALL OUTLINE

SSOP36,.4,20

Other Consumer ICs

.5 mm

70 Cel

-20 Cel

Matte Tin (Sn) - annealed

DUAL

R-PDSO-G36

3

Not Qualified

e3

30

260

STA380WS

STMicroelectronics

VOLUME CONTROL CIRCUIT

NO LEAD

48

HVQCCN

SQUARE

UNSPECIFIED

YES

1

2

50 mA

80 dB

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC48,.27SQ,20

.5 mm

70 Cel

0 Cel

QUAD

S-XQCC-N48

20 V

1 mm

7 mm

4.5 V

7 mm

STA541SA

STMicroelectronics

VOLUME CONTROL CIRCUIT

COMMERCIAL

THROUGH-HOLE

15

ZIP

RECTANGULAR

UNSPECIFIED

NO

2

CMOS

150 mA

17

FLANGE MOUNT

ZIP15,.1,.1

Audio/Video Amplifiers

1.27 mm

70 Cel

0 Cel

ZIG-ZAG

R-XZFM-T15

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

STA538B

STMicroelectronics

VOLUME CONTROL CIRCUIT

COMMERCIAL

BALL

48

TFBGA

SQUARE

PLASTIC/EPOXY

YES

1

2

CMOS

1.8,3.3

10 %

GRID ARRAY, THIN PROFILE, FINE PITCH

BGA48,8X8,20

Audio/Video Amplifiers

.5 mm

70 Cel

0 Cel

BOTTOM

S-PBGA-B48

3.6 V

1.2 mm

5 mm

Not Qualified

1.8 V

IT ALSO REQUIRES 1.55V TO 1.95V DIGITAL SUPPLY

5 mm

TS4855EIJT

STMicroelectronics

VOLUME CONTROL CIRCUIT

INDUSTRIAL

BALL

18

VIBGA

RECTANGULAR

UNSPECIFIED

YES

1

1

12 mA

3/5

GRID ARRAY, VERY THIN PROFILE, INTERSTITIAL PITCH

BGA18,4X5,20/17

Audio/Video Amplifiers

.866 mm

85 Cel

-40 Cel

BOTTOM

R-XBGA-B18

5 V

.63 mm

2.17 mm

Not Qualified

3 V

NOT SPECIFIED

NOT SPECIFIED

2.44 mm

STA333ISTR

STMicroelectronics

VOLUME CONTROL CIRCUIT

COMMERCIAL

BALL

30

FBGA

RECTANGULAR

PLASTIC/EPOXY

YES

50 mA

3.3,13

GRID ARRAY, FINE PITCH

BGA30,5X6,20

Other Consumer ICs

.5 mm

70 Cel

0 Cel

BOTTOM

R-PBGA-B30

Not Qualified

TS4855IJT

STMicroelectronics

VOLUME CONTROL CIRCUIT

INDUSTRIAL

BALL

18

VIBGA

RECTANGULAR

UNSPECIFIED

YES

1

1

12 mA

3/5

GRID ARRAY, VERY THIN PROFILE, INTERSTITIAL PITCH

BGA18,4X5,20/17

Audio/Video Amplifiers

.866 mm

85 Cel

-40 Cel

TIN LEAD

BOTTOM

R-XBGA-B18

5 V

.63 mm

2.17 mm

Not Qualified

3 V

e0

2.44 mm

TS4975EIJT

STMicroelectronics

VOLUME CONTROL CIRCUIT

INDUSTRIAL

BALL

12

FBGA

RECTANGULAR

PLASTIC/EPOXY

YES

1

2

6.5 mA

103 dB

3/5

GRID ARRAY, FINE PITCH

BGA12,3X4,20

Audio/Video Amplifiers

.5 mm

85 Cel

-40 Cel

TIN SILVER COPPER

BOTTOM

R-PBGA-B12

5.5 V

1.8 mm

Not Qualified

2.5 V

e1

2.3 mm

STA380WS13TR

STMicroelectronics

VOLUME CONTROL CIRCUIT

NO LEAD

48

HVQCCN

SQUARE

UNSPECIFIED

YES

1

2

50 mA

80 dB

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC48,.27SQ,20

.5 mm

70 Cel

0 Cel

QUAD

S-XQCC-N48

20 V

1 mm

7 mm

4.5 V

7 mm

STA543SA

STMicroelectronics

VOLUME CONTROL CIRCUIT

COMMERCIAL

THROUGH-HOLE

19

ZIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

3

CMOS

150 mA

70 dB

15

.4 %

FLANGE MOUNT

ZIP19,.1,.1,40

Audio/Video Amplifiers

1 mm

70 Cel

0 Cel

MATTE TIN

ZIG-ZAG

R-PZFM-T19

18 V

Not Qualified

8 V

e3

A22H165

STMicroelectronics

VOLUME CONTROL CIRCUIT

NOT SPECIFIED

NOT SPECIFIED

STA538Q

STMicroelectronics

VOLUME CONTROL CIRCUIT

COMMERCIAL

NO LEAD

52

HVQCCN

SQUARE

UNSPECIFIED

YES

1

2

CMOS

1.8,3.3

10 %

CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

LCC52,.31SQ,20

Audio/Video Amplifiers

.5 mm

70 Cel

0 Cel

QUAD

S-XQCC-N52

3.6 V

1 mm

8 mm

Not Qualified

1.8 V

IT ALSO REQUIRES 1.55V TO 1.95V DIGITAL SUPPLY

NOT SPECIFIED

NOT SPECIFIED

8 mm

TS4974IQT

STMicroelectronics

VOLUME CONTROL CIRCUIT

INDUSTRIAL

NO LEAD

10

HVSON

SQUARE

UNSPECIFIED

YES

1

1

3.8 mA

3/5

1 %

SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE

SOLCC10,.11,20

Audio/Video Amplifiers

.5 mm

85 Cel

-40 Cel

MATTE TIN

DUAL

S-XDSO-N10

1

5.5 V

1 mm

3 mm

Not Qualified

2.5 V

e3

3 mm

TSDC02IJT

STMicroelectronics

VOLUME CONTROL CIRCUIT

TS4851IJT

STMicroelectronics

VOLUME CONTROL CIRCUIT

INDUSTRIAL

BALL

18

VFBGA

RECTANGULAR

PLASTIC/EPOXY

YES

1

2

10 mA

3.3/5

1 %

GRID ARRAY, VERY THIN PROFILE, FINE PITCH

FLIP CHIP

Audio/Video Amplifiers

.5 mm

85 Cel

-40 Cel

TIN LEAD

BOTTOM

R-PBGA-B18

5.5 V

.63 mm

2.17 mm

Not Qualified

3 V

e0

2.44 mm

STA333IS

STMicroelectronics

VOLUME CONTROL CIRCUIT

COMMERCIAL

BALL

30

FBGA

RECTANGULAR

PLASTIC/EPOXY

YES

50 mA

3.3,13

GRID ARRAY, FINE PITCH

BGA30,5X6,20

Other Consumer ICs

.5 mm

70 Cel

0 Cel

BOTTOM

R-PBGA-B30

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

TDA7495

STMicroelectronics

VOLUME CONTROL CIRCUIT

OTHER

THROUGH-HOLE

15

ZIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

BIPOLAR

100 mA

10 %

FLANGE MOUNT

ZIP15,.2,.17TB

Audio/Video Amplifiers

1.27 mm

85 Cel

-20 Cel

ZIG-ZAG

R-PZFM-T15

35 V

Not Qualified

11 V

e0

TDA7309D013TR

STMicroelectronics

VOLUME CONTROL CIRCUIT

INDUSTRIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

2

BICMOS

10 mA

100 dB

9

.01 %

SMALL OUTLINE

SOP20,.4

Audio Control ICs

1.27 mm

85 Cel

-40 Cel

MATTE TIN

DUAL

R-PDSO-G20

10 V

2.65 mm

7.5 mm

Not Qualified

6 V

e3

12.8 mm

TDA7303TR

STMicroelectronics

VOLUME CONTROL CIRCUIT

INDUSTRIAL

GULL WING

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

2

CMOS

11 mA

103 dB

9

.01 %

SMALL OUTLINE

SOP28,.4

Audio Control ICs

1.27 mm

85 Cel

-40 Cel

DUAL

R-PDSO-G28

10 V

2.65 mm

7.5 mm

Not Qualified

6 V

NOT SPECIFIED

NOT SPECIFIED

17.9 mm

TDA7495S

STMicroelectronics

VOLUME CONTROL CIRCUIT

OTHER

THROUGH-HOLE

15

ZIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

BIPOLAR

100 mA

11/35

FLANGE MOUNT

ZIP15,.2,.17TB

Audio/Video Amplifiers

1.27 mm

85 Cel

-20 Cel

ZIG-ZAG

R-PZFM-T15

35 V

Not Qualified

11 V

TDA7449L

STMicroelectronics

VOLUME CONTROL CIRCUIT

OTHER

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

2

BICMOS

100 dB

9

.01 %

IN-LINE

DIP20,.3

Audio Control ICs

2.54 mm

85 Cel

-10 Cel

MATTE TIN

DUAL

R-PDIP-T20

10.2 V

3.93 mm

7.62 mm

Not Qualified

6 V

e3

25.15 mm

TDA7496

STMicroelectronics

VOLUME CONTROL CIRCUIT

COMMERCIAL

THROUGH-HOLE

15

ZIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

2

BIPOLAR

50 mA

.4 %

FLANGE MOUNT

ZIP15,.2,.17TB

Audio/Video Amplifiers

1.27 mm

70 Cel

0 Cel

TIN

ZIG-ZAG

R-PZFM-T15

32 V

Not Qualified

10 V

e3

TDA8199

STMicroelectronics

VOLUME CONTROL CIRCUIT

COMMERCIAL

THROUGH-HOLE

8

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

2

BIPOLAR

28 mA

12

.35 %

IN-LINE

DIP8,.3

Audio Control ICs

2.54 mm

70 Cel

0 Cel

MATTE TIN

DUAL

R-PDIP-T8

13.2 V

5.08 mm

7.62 mm

Not Qualified

10.8 V

e3

TDA7496L

STMicroelectronics

VOLUME CONTROL CIRCUIT

COMMERCIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

2

BIPOLAR

50 mA

.4 %

IN-LINE

DIP20,.3

Audio/Video Amplifiers

2.54 mm

70 Cel

0 Cel

MATTE TIN

DUAL

R-PDIP-T20

18 V

5.1 mm

7.62 mm

Not Qualified

10 V

e3

TDA7495SA

STMicroelectronics

VOLUME CONTROL CIRCUIT

COMMERCIAL

THROUGH-HOLE

15

ZIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

2

BIPOLAR

100 mA

11/35

10 %

FLANGE MOUNT

ZIP15,.1,.1

Audio/Video Amplifiers

1.27 mm

70 Cel

0 Cel

ZIG-ZAG

R-PZFM-T15

35 V

Not Qualified

11 V

NOT SPECIFIED

NOT SPECIFIED

TDA7494

STMicroelectronics

VOLUME CONTROL CIRCUIT

COMMERCIAL

THROUGH-HOLE

15

ZIP

RECTANGULAR

UNSPECIFIED

NO

1

1

BIPOLAR

50 mA

10 %

FLANGE MOUNT

ZIP15,.2,.17TB

Audio/Video Amplifiers

1.27 mm

70 Cel

0 Cel

ZIG-ZAG

R-XZFM-T15

35 V

Not Qualified

11 V

e0

TDA744813TR

STMicroelectronics

VOLUME CONTROL CIRCUIT

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

6

BICMOS

90 dB

9

.01 %

SMALL OUTLINE

SOP20,.4

Audio Control ICs

1.27 mm

70 Cel

0 Cel

Nickel/Palladium/Gold (Ni/Pd/Au)

DUAL

R-PDSO-G20

3

10 V

2.65 mm

7.5 mm

Not Qualified

4.75 V

e4

30

260

12.8 mm

TDA7309

STMicroelectronics

VOLUME CONTROL CIRCUIT

INDUSTRIAL

THROUGH-HOLE

20

DIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

2

BICMOS

10 mA

100 dB

9

.01 %

IN-LINE

DIP20,.3

Audio Control ICs

2.54 mm

85 Cel

-40 Cel

MATTE TIN

DUAL

R-PDIP-T20

10 V

3.93 mm

7.62 mm

Not Qualified

6 V

e3

25.15 mm

TDA7303

STMicroelectronics

VOLUME CONTROL CIRCUIT

INDUSTRIAL

GULL WING

28

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

2

CMOS

11 mA

103 dB

9

.01 %

SMALL OUTLINE

SOP28,.4

Audio Control ICs

1.27 mm

85 Cel

-40 Cel

DUAL

R-PDSO-G28

10 V

2.65 mm

7.5 mm

Not Qualified

6 V

NOT SPECIFIED

NOT SPECIFIED

17.9 mm

TDA7448

STMicroelectronics

VOLUME CONTROL CIRCUIT

COMMERCIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

6

BICMOS

90 dB

9

.01 %

SMALL OUTLINE

SOP20,.4

Audio Control ICs

1.27 mm

70 Cel

0 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G20

3

10 V

2.65 mm

7.5 mm

Not Qualified

4.75 V

e4

30

260

12.8 mm

TDA7309D

STMicroelectronics

VOLUME CONTROL CIRCUIT

INDUSTRIAL

GULL WING

20

SOP

RECTANGULAR

PLASTIC/EPOXY

YES

1

2

BICMOS

10 mA

100 dB

9

.01 %

SMALL OUTLINE

SOP20,.4

Audio Control ICs

1.27 mm

85 Cel

-40 Cel

NICKEL PALLADIUM GOLD

DUAL

R-PDSO-G20

10 V

2.65 mm

7.5 mm

Not Qualified

6 V

e4

12.8 mm

TDA7496SA

STMicroelectronics

VOLUME CONTROL CIRCUIT

COMMERCIAL

THROUGH-HOLE

15

ZIP

RECTANGULAR

PLASTIC/EPOXY

NO

1

2

BIPOLAR

50 mA

10/32

FLANGE MOUNT

ZIP15,.1,.1

Audio/Video Amplifiers

1.27 mm

70 Cel

0 Cel

TIN

ZIG-ZAG

R-PZFM-T15

32 V

Not Qualified

10 V

e3

935303418062

NXP Semiconductors

VOLUME CONTROL CIRCUIT

935308709062

NXP Semiconductors

VOLUME CONTROL CIRCUIT

Audio Control ICs

Audio control ICs, also known as audio processing ICs, are integrated circuits designed to provide a range of audio processing functions in electronic devices. These ICs are used in a variety of audio applications, including home theater systems, music players, and automotive sound systems.

Audio control ICs can be classified into several types based on the specific functions they provide. Some of the most common types of audio control ICs include:

1. Audio amplifiers - These ICs are designed to amplify the electrical signals that represent sound. They can be used to increase the volume of the audio signal, improve the quality of the sound, or provide additional functionality such as equalization or filtering.

2. Audio processors - These ICs are designed to process the audio signal in various ways, such as applying digital signal processing (DSP) algorithms to improve the sound quality or provide special effects.

3. Audio codecs - These ICs are designed to convert analog audio signals to digital signals, and vice versa. They can be used in devices such as smartphones, computers, and digital audio players to enable the recording and playback of digital audio.

4. Audio switches - These ICs are designed to switch between multiple audio inputs or outputs. They can be used in devices such as home theater receivers and automotive sound systems to allow users to switch between different audio sources.

Audio control ICs are often used in conjunction with other components, such as speakers, microphones, and amplifiers, to provide a complete audio system. They can be integrated into a variety of devices, from small portable devices to large home theater systems.