| Feature of an empty house | 25 |
| Empty hall effect | 17 |
| Effect of a yodel, perhaps | 26 |
| Effect in the recording studio | 30 |
| Eerie cave effect | 17 |
| E, in radio communications | 26 |
| E for ___ ; or reverberation | 28 |
| Doter of Narcissus | 18 |
| Dolphin's navigation aide | 29 |
| Delay's cousin | 18 |
| Delay pedal effect | 18 |
| Consort of Pan | 14 |
| Comeback? | 9 |
| Comeback, of sorts | 18 |
| Comeback of a kind | 18 |
| Come-on at bridge | 17 |
| Come-back sound | 15 |
| Close imitation | 15 |
| Classical nymph who spoke only by repetition | 44 |
| Chamber phenomenon | 18 |
| Chamber effect | 14 |
| Cavern feature | 14 |
| Cave ricochet | 13 |
| Canyon's sound effect | 25 |
| Canyon reflection | 17 |
| Canyon rebound | 14 |
| Canyon iteration | 16 |
| Canyon feedback | 15 |
| Canyon call | 11 |
| Canyon answer | 13 |
| Call back? | 10 |
| Bunnymen's leader? | 22 |
| Bunnymen man | 12 |
| Bouncing sound | 14 |
| Bouncer in an empty bar? | 24 |
| Bounced sound | 13 |
| Bounce, as off a canyon wall | 28 |
| Bounce off the wall, in a way | 29 |
| Bounce back, as sound | 21 |
| Blip on a radarscope | 20 |
| Benefit of singing in the shower | 32 |
| Bat's navigational aid | 26 |
| Backtalk? | 9 |
| Aural twin | 10 |
| Aural reflection | 16 |
| Aural iteration | 15 |
| Aural comeback | 14 |
| Audio technician's concern | 30 |
| Ape orally | 10 |
| Alpine reprise | 14 |
| Alpine reflection | 17 |
| Alpine callback | 15 |
| Alpine bounce-back | 18 |
| Agree by repeating | 18 |
| Adorer of Narcissus | 19 |
| Acoustics concern | 17 |
| Acoustic reflection | 19 |
| A nymph pursued by Pan | 22 |
| A feature of this puzzle | 24 |
| 1960 satellite launch | 21 |
| "Try" ... "try" again? | 42 |
| "Me too" utterance | 28 |
| "Me too" response | 27 |
| "Little Sir ___" of songdom | 37 |
| "HELLO!... Hello!... hello ..." | 41 |
| "Can you hear me? ...hear me?" | 40 |
| "Can you hear me? ... hear me? ... hear me?" | 54 |
| "Art is a delayed ___": Santayana | 43 |
| "Anybody home? ... home? ... home? ..." | 49 |
| "___ Park" (1986 Susan Dey movie) | 43 |
| ''Is there an ___ in here?'' | 44 |
| ''Hello'' again? | 32 |
| ___ boomers (Generation Y) | 26 |
| Place for creating sound effects | 32 |
| Unideal environment for discussing policy | 41 |
| Room with resounding walls | 26 |
| Recording studio feature | 24 |
| Radio studio feature, and what each of this puzzle's four other longest answers literally is | 96 |
| Administrative group that oversees acoustics? | 45 |
| Reverberated | 12 |
| Repeated | 8 |
| Repeated exactly | 16 |
| Came back | 9 |
| Agreed with | 11 |
| Seconded | 8 |
| Bounced back | 12 |
| Sounded again and again | 23 |
| Made a comeback? | 16 |
| Iterated | 8 |
| Included elements of | 20 |
| Signaled a card holding | 23 |
| Showed support for, in a way | 28 |
| Repeated word for word | 22 |
| Repeated verbally | 17 |
| Mindlessly repeated | 19 |
| Me-tooed, in a way | 18 |
| Had lingering effects | 21 |
| Came back, in a way | 19 |
| Came back a little later | 24 |
| Bounced off the walls, say | 26 |